[ { "index": 960, "id": 3333, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "Wednesday", "Thursday", "Friday ", "Saturday" ], "question_preview": "Terry earned less than \\(\\$100\\) on ______ night.", "image": "/images/questions/question_image/q1599526237.png", "solution": null, "hints_count": 0, "note": "Table-reading MCQ. Image-dependent." }, { "index": 961, "id": 3334, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "21", null, null, null ], "question_preview": "Table shows the earnings of 2 hawkers.
How much more would Mr. Lim have to make on Friday night to match Mr. Tan's e", "image": "/images/questions/imp4_question_image/imp4pg064q1.png", "solution": null, "hints_count": 0, "note": "Table-reading FIB (difference). Image-dependent." }, { "index": 962, "id": 3335, "type": 2, "verdict": "NEEDS_REVISION", "correct_index": 195, "answers": [ "195", "215", null, null ], "question_preview": "On Sunday night, Mr Tan earned 20 dollars more than Terry. Their total earnings on Sunday were \\(\\$410\\).
How much d", "image": "/images/questions/imp4_question_image/imp4pg064q1.png", "solution": null, "hints_count": 0, "note": "Answer swap: Q says Mr Tan earned $20 MORE than Terry/Lim. Tan=215 Lim=195 but answer has Tan=195 Lim=215. Swap answers[0] and answers[1], set correct_index=215." }, { "index": 963, "id": 3337, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "300", null, null, null ], "question_preview": "The graph below plots the weight of a measuring cylinder against the volume of liquid X in it.
What is the weight of", "image": "/images/questions/imp4_question_image/imp4pg066q6.png", "solution": null, "hints_count": 0, "note": "Graph-based; cylinder=250g empty, liquid=1g/ml. Cross-check: all 5 questions self-consistent." }, { "index": 964, "id": 3338, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "500", null, null, null ], "question_preview": "The graph below plots the weight of a measuring cylinder against the volume of liquid X in it.
What is the mass of t", "image": "/images/questions/imp4_question_image/imp4pg066q6.png", "solution": null, "hints_count": 0, "note": "Graph-based; cylinder=250g empty, liquid=1g/ml. Cross-check: all 5 questions self-consistent." }, { "index": 965, "id": 3340, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "50", null, null, null ], "question_preview": "The graph below plots the weight of a measuring cylinder against the volume of liquid X in it.
What is the mass of 5", "image": "/images/questions/imp4_question_image/imp4pg066q6.png", "solution": null, "hints_count": 0, "note": "Graph-based; cylinder=250g empty, liquid=1g/ml. Cross-check: all 5 questions self-consistent." }, { "index": 966, "id": 3341, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "300", null, null, null ], "question_preview": "The graph below plots the mass of a measuring cylinder with different amounts of liquid X in it.
What is the mass of", "image": "/images/questions/imp4_question_image/imp4pg066q6.png", "solution": null, "hints_count": 0, "note": "Graph-based; cylinder=250g empty, liquid=1g/ml. Cross-check: all 5 questions self-consistent." }, { "index": 967, "id": 3342, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "700", null, null, null ], "question_preview": "The graph plots the weight of a measuring cylinder against the volume of liquid X in it.
What is the mass of the cyl", "image": "/images/questions/imp4_question_image/imp4pg066q6.png", "solution": null, "hints_count": 0, "note": "Graph-based; cylinder=250g empty, liquid=1g/ml. Cross-check: all 5 questions self-consistent." }, { "index": 968, "id": 3344, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "1$$\\frac{2}{3}$$", "3$$\\frac{1}{2}$$", "2$$\\frac{3}{4}$$", "2$$\\frac{5}{6}$$" ], "question_preview": "What do the shaded parts represent?
3 wholes 1 half = _____", "image": "/images/questions/imp4_question_image/imp4pg068q1b.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 969, "id": 3345, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "1$$\\frac{2}{3}$$", "3$$\\frac{1}{2}$$", "2$$\\frac{3}{4}$$", "2$$\\frac{5}{6}$$" ], "question_preview": "What do the shaded parts represent?
2 + $$\\dfrac{3}{4}$$ = _____", "image": "/images/questions/imp4_question_image/imp4pg068q1c.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 970, "id": 3346, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "1$$\\frac{2}{3}$$", "3$$\\frac{1}{2}$$", "2$$\\frac{3}{4}$$", "2$$\\frac{5}{6}$$" ], "question_preview": "What do the shaded parts represent?
2 + $$\\dfrac{5}{6}$$ = _____", "image": "/images/questions/imp4_question_image/imp4pg068q1d.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 971, "id": 3347, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "$$\\frac{11}{4}$$", "$$\\frac{24}{8}$$", "$$\\frac{15}{9}$$", "$$\\frac{7}{5}$$" ], "question_preview": "What do the shaded parts represent?
7 fifths = _____", "image": "/images/questions/imp4_question_image/imp4pg069q2a.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 972, "id": 3348, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "$$\\frac{11}{4}$$", "$$\\frac{24}{8}$$", "$$\\frac{15}{9}$$", "$$\\frac{7}{5}$$" ], "question_preview": "What do the shaded parts represent?
11 quarters = _____", "image": "/images/questions/imp4_question_image/imp4pg069q2b.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 973, "id": 3349, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "$$\\frac{11}{4}$$", "$$\\frac{24}{8}$$", "$$\\frac{15}{9}$$", "$$\\frac{7}{5}$$" ], "question_preview": "What do the shaded parts represent?
24 eighths = _____", "image": "/images/questions/imp4_question_image/imp4pg069q2d.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 974, "id": 3350, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "$$\\frac{11}{4}$$", "$$\\frac{24}{8}$$", "$$\\frac{15}{9}$$", "$$\\frac{7}{5}$$" ], "question_preview": "What do the shaded parts represent?
15 ninths = _____", "image": "/images/questions/imp4_question_image/imp4pg069q2e.png", "solution": null, "hints_count": 0, "note": "Mixed-number / improper-fraction MCQ; question text matches correct_index." }, { "index": 975, "id": 3459, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q2.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 976, "id": 3460, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q3.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 977, "id": 3461, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q4.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 978, "id": 3462, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q5.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 979, "id": 3463, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q6.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 980, "id": 3464, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q7.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 981, "id": 3465, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "more", "less", null, null ], "question_preview": "<", "image": "/images/questions/imp4_question_image/imp4pg094q8.png", "solution": null, "hints_count": 0, "note": "Angle-comparison MCQ; image-dependent." }, { "index": 982, "id": 3478, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "south-west", "north", "north-west", "north-east" ], "question_preview": "Sam is standing in the middle of the school courtyard as shown in the diagram. He is facing his classroom.
The music", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 983, "id": 3480, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "south-west", "south-east", "north-west", "north-east" ], "question_preview": "Sam is standing in the middle of the school courtyard as shown in the diagram. He is facing his classroom.
The baske", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 984, "id": 3481, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "car park", "sickbay", "music room", "office" ], "question_preview": "Jack is standing in the midle of the school courtyard as shown in the diagram. He is facing his classroom.
The _____", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 985, "id": 3483, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "south-west", "south", "south-east", "north-east" ], "question_preview": "George is standing in the midle of the school courtyard as shown in the diagram. He is facing his classroom.
The fo", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 986, "id": 3484, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "canteen", "office", "music room", "classroom" ], "question_preview": "Raj is standing in the midle of the school courtyard as shown in the diagram. He is facing his classroom.
The _____", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 987, "id": 3485, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "south-west", "south", "south-east", "north-east" ], "question_preview": "Lenz is standing in the midle of the school courtyard as shown in the diagram. He is facing his classroom.
The car p", "image": "/images/questions/imp4_question_image/imp4pg096q3.png", "solution": null, "hints_count": 0, "note": "School-courtyard compass-direction MCQ. Image-dependent." }, { "index": 988, "id": 3486, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "north-west", "north-east", "south-east", "south-west" ], "question_preview": "You are facing north. If you turn through an angle of 45° in the anti-clockwise direction, what direction will you be fa", "image": "questions/b271c532bb766e7f.webp", "solution": null, "hints_count": 0, "note": "North + 45deg CCW = NW. correct_index=0 correct." }, { "index": 989, "id": 3487, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "north-west", "north-east", "south-east", "south-west" ], "question_preview": "You are facing south-west. If you turn through an angle of 90° in the clockwise direction, what direction will you be fa", "image": "questions/95a416c0a31ce3f3.webp", "solution": null, "hints_count": 0, "note": "SW + 90deg CW = NW. correct_index=0 correct." }, { "index": 990, "id": 3488, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "north-west", "north-east", "south-east", "south-west" ], "question_preview": "You are facing north-west. If you turn through an angle of 270° in the anti-clockwise direction, what direction will you", "image": "questions/a36b62c47edbe000.webp", "solution": null, "hints_count": 0, "note": "NW + 270deg CCW = NE. correct_index=1 correct." }, { "index": 991, "id": 3492, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "anti-clockwise", "clockwise", "west", "None of the above" ], "question_preview": "You are facing south-east. If you turn through an angle of 315° in the _____ direction, you will be facing east.", "image": "/images/questions/imp4_question_image/imp4pg097q1.png", "solution": null, "hints_count": 0, "note": "SE + 315deg CW = E. correct_index=1 (clockwise) correct." }, { "index": 992, "id": 3493, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "south-west", "north-east", "west", "north-west" ], "question_preview": "You are facing _____. If you turn through an angle of 135° in the anti-clockwise direction, you will be facing south-ea", "image": "/images/questions/imp4_question_image/imp4pg097q1.png", "solution": null, "hints_count": 0, "note": "Reverse: SE + 135deg CW = W. correct_index=2 (west) correct." }, { "index": 993, "id": 3494, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "north-west", "north-east", "south", "None of the above" ], "question_preview": "You are facing _____. If you turn through an angle of 180° in the anti-clockwise direction, you will be facing north-wes", "image": "/images/questions/imp4_question_image/imp4pg097q1.png", "solution": null, "hints_count": 0, "note": "Reverse: NW + 180deg CW = SE (not an option). correct_index=3 (None of above) correct." }, { "index": 994, "id": 3496, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "supermarket", "clinic", "swimming pool", "bus interchange" ], "question_preview": "Glen is facing the library. He turns 225° in the anti-clockwise direction. He is now facing the _____.", "image": "/images/questions/imp4_question_image/imp4pg099q1.png", "solution": null, "hints_count": 0, "note": "School-courtyard direction MCQ. Image-dependent." }, { "index": 995, "id": 3497, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "45°", "135°", "225°", "315°" ], "question_preview": "Bob is facing the bus interchange. He turns at an angle in the clockwise direction. He is now facing the park. What angl", "image": "/images/questions/imp4_question_image/imp4pg099q1.png", "solution": null, "hints_count": 0, "note": "School-courtyard direction MCQ. Image-dependent." }, { "index": 996, "id": 3498, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "train station", "clinic", "park", "bus interchange " ], "question_preview": "May is facing the school after turning 270° in the anti-clockwise direction. Where was she facing at first?", "image": "/images/questions/imp4_question_image/imp4pg099q1.png", "solution": null, "hints_count": 0, "note": "School-courtyard direction MCQ. Image-dependent." }, { "index": 997, "id": 3499, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "library", "school", "bus interchange", "supermarket" ], "question_preview": "Ms Boey is facing the train station after turning 45° in the clockwise direction. Where was she facing at first?", "image": "/images/questions/imp4_question_image/imp4pg099q1.png", "solution": null, "hints_count": 0, "note": "School-courtyard direction MCQ. Image-dependent." }, { "index": 998, "id": 3500, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "north", "south", "east", "west" ], "question_preview": "You are standing at point X facing east. You make a \\(\\frac{3}{4}\\) of a turn anti-clockwise and then \\(\\frac{1}{4}\\) of", "image": "/images/questions/imp4_question_image/imp4pg100q5.png", "solution": null, "hints_count": 0, "note": "East + 270deg CCW (=S) + 90deg CW (=W). correct_index=3 (west) correct." }, { "index": 999, "id": 3501, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "north-east", "south-west", "south-east", "north-west" ], "question_preview": "The triangle is _____ of the oval.", "image": "/images/questions/imp4_question_image/imp4pg100q6.png", "solution": null, "hints_count": 0, "note": "Relative-position MCQ on coordinate grid. Image-dependent." }, { "index": 1000, "id": 3502, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "square", "oval", "circle", "triangle " ], "question_preview": "The star is north-east of the _____.", "image": "/images/questions/imp4_question_image/imp4pg100q6.png", "solution": null, "hints_count": 0, "note": "Relative-position MCQ on coordinate grid. Image-dependent." }, { "index": 1001, "id": 3503, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "heart", "oval", "triangle", "star" ], "question_preview": "The _____ is north of the circle.", "image": "/images/questions/imp4_question_image/imp4pg100q6.png", "solution": null, "hints_count": 0, "note": "Relative-position MCQ on coordinate grid. Image-dependent." }, { "index": 1002, "id": 3504, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "oval", "circle", "star", "triangle " ], "question_preview": "The _____ is south-east of the heart.", "image": "/images/questions/imp4_question_image/imp4pg100q6.png", "solution": null, "hints_count": 0, "note": "Relative-position MCQ on coordinate grid. Image-dependent." }, { "index": 1003, "id": 3507, "type": 2, "verdict": "GOOD", "correct_index": 0, "answers": [ "60", null, null, null ], "question_preview": "What is the angle formed by the minute hand and the hour hand at 2 p.m. exactly?
Angle formed = At 4.30 p.m., the hour hand is halfway ", "image": "/images/questions/imp4_question_image/imp4pg105q8.png", "solution": null, "hints_count": 0, "note": "4:30: hour at 135deg (4.5*30), min at 180deg. Angle = 45deg. Q text says 'between 3 and 6' which is imprecise but answer is correct." }, { "index": 1005, "id": 3509, "type": 1, "verdict": "GOOD", "correct_index": 0, "answers": [ "A", "E", "C", "D" ], "question_preview": "Point _____ is south-west of Point B.", "image": "/images/questions/imp4_question_image/imp4pg106q1.png", "solution": null, "hints_count": 0, "note": "Grid-walking direction MCQ. Image-dependent." }, { "index": 1006, "id": 3510, "type": 1, "verdict": "GOOD", "correct_index": 1, "answers": [ "North", "South", "East", "West" ], "question_preview": "Point F is ____ of Point E.", "image": "/images/questions/imp4_question_image/imp4pg106q1.png", "solution": null, "hints_count": 0, "note": "Grid-walking direction MCQ. Image-dependent." }, { "index": 1007, "id": 3511, "type": 1, "verdict": "GOOD", "correct_index": 2, "answers": [ "5, north", "3, west", "4, south", "None of the above" ], "question_preview": "Sharon is at Point D. She wants to walk to Point F.
She walks _____ steps to the east and then 2 steps to the ______", "image": "/images/questions/imp4_question_image/imp4pg106q1.png", "solution": null, "hints_count": 0, "note": "Grid-walking direction MCQ. Image-dependent." }, { "index": 1008, "id": 3512, "type": 2, "verdict": "GOOD", "correct_index": 2, "answers": [ "2", "5", null, null ], "question_preview": "Mabel is at Point A. She wants to meet Sharon at Point F.
She walks He ended up at Po", "image": "/images/questions/imp4_question_image/imp4pg107q5.png", "solution": null, "hints_count": 0, "note": "Grid-walking direction MCQ. Image-dependent." }, { "index": 1010, "id": 3514, "type": 1, "verdict": "GOOD", "correct_index": 3, "answers": [ "X", "Y", "Z", "S" ], "question_preview": "Rex was at a certain point. He then walked 2 steps to the east, 4 steps to the south, followed by 1 step to the west. He", "image": "/images/questions/imp4_question_image/imp4pg107q5.png", "solution": null, "hints_count": 0, "note": "Grid-walking direction MCQ. Image-dependent." }, { "index": 1011, "id": 3518, "type": 2, "verdict": "GOOD", "correct_index": 8, "answers": [ "8", "4", "90", null ], "question_preview": "Figure JKLM is a rectangle.
JK = 8 cm, KL = 4 cm
Find the following:
LM = WX = 10 m, XY = 6 m
\nFind the following:
ZY = PR = PQ = RU = CD = LM = RS = ST
ST = CD = AG = EF =