[ { "id": 12104, "skill_id": 53, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Four objects A, B, C and D are weighed on balances.
B is heavier than A; C and A balance equally; D is lighter than B.
Which statement is correct?", "explanation": "From the balances: C and A balance, so C is as heavy as A.
Comparing all four, D is the lightest.", "question_image": "p2/images/raffles-girls-2024-p2-quiz-4-5-6-q30.png", "answer0": "C is as heavy as A, and D is the lightest.", "answer0_image": null, "answer1": "A is as heavy as B, and C is the lightest.", "answer1_image": null, "answer2": "C is as heavy as B, and A is the lightest.", "answer2_image": null, "answer3": "D is as heavy as A, and B is the lightest.", "answer3_image": null, "correct_answer": 0, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Raffles Girls 2024 P2 Quiz 4-5-6 Q30", "type_id": 1, "calculator": null, "created_at": "2026-05-29 00:49:41", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 00:49:41", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 12029, "skill_id": 34, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Add.
+ = ", "explanation": "Top row shows 2 hundreds, 1 ten, 2 ones = 212; bottom row 2 tens = 20.
212 + 20 = 232.", "question_image": "/images/questions/question_image/p2-raffles-girls-2024-p2-quiz-1-2-3-q36.png", "answer0": "212", "answer0_image": null, "answer1": "20", "answer1_image": null, "answer2": "232", "answer2_image": null, "answer3": null, "answer3_image": null, "correct_answer": null, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Raffles Girls 2024 P2 Quiz 1-2-3 Q36", "type_id": 2, "calculator": null, "created_at": "2026-05-29 00:49:40", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 07:31:33", "published_at": "2026-06-11 07:31:33", "updated_at": "2026-06-11 07:31:33", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 07:31:33" }, { "id": 12138, "skill_id": 38, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Write a multiplication equation for the picture.
x = ", "explanation": "There are 6 groups of 4 stars, so 6 x 4 = 24 (and also 4 x 6 = 24).", "question_image": "/images/questions/question_image/p2-raffles-girls-2024-p2-quiz-7-8-9-ws9-q2b-p2.png", "answer0": "6", "answer0_image": null, "answer1": "4", "answer1_image": null, "answer2": "24", "answer2_image": null, "answer3": null, "answer3_image": null, "correct_answer": null, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Raffles Girls 2024 P2 Quiz 7-8-9 WS9 Q2b", "type_id": 2, "calculator": null, "created_at": "2026-05-29 00:49:42", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 07:35:12", "published_at": "2026-06-11 07:35:12", "updated_at": "2026-06-11 07:35:12", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 07:35:12" }, { "id": 20951, "skill_id": 232, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "The figure shows a cube.
Which of the following is not the net of the cube?", "explanation": "Nets 1, 2 and 3 each fold into a cube.
Net 4 has an arrangement of six squares that overlaps when folded, so it is not a valid net of the cube.", "question_image": "p4/images/raffles-2024-p4-end-of-year-exam-q14-v2.png", "answer0": "Net 1", "answer0_image": "p4/images/raffles-2024-p4-end-of-year-exam-q14-opt0.png", "answer1": "Net 2", "answer1_image": "p4/images/raffles-2024-p4-end-of-year-exam-q14-opt1.png", "answer2": "Net 3", "answer2_image": "p4/images/raffles-2024-p4-end-of-year-exam-q14-opt2.png", "answer3": "Net 4", "answer3_image": "p4/images/raffles-2024-p4-end-of-year-exam-q14-opt3.png", "correct_answer": 3, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Raffles 2024 P4 End-of-Year Exam Q14", "type_id": 1, "calculator": null, "created_at": "2026-05-29 06:23:28", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 06:00:04", "published_at": "2026-06-11 06:00:04", "updated_at": "2026-06-11 06:00:04", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 06:00:04" }, { "id": 22772, "skill_id": 232, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Which of the following is not a net of a cube?", "explanation": "Folding each net to check if it forms a closed cube: option (2) cannot fold into a cube (the arrangement overlaps faces), so it is not a valid net of a cube.", "question_image": "p4/images/catholic-high-2025-p4-end-of-year-exam-q20.png", "answer0": "Net 1", "answer0_image": "p4/images/catholic-high-2025-p4-end-of-year-exam-q20-opt0.png", "answer1": "Net 2", "answer1_image": "p4/images/catholic-high-2025-p4-end-of-year-exam-q20-opt1.png", "answer2": "Net 3", "answer2_image": "p4/images/catholic-high-2025-p4-end-of-year-exam-q20-opt2.png", "answer3": "Net 4", "answer3_image": "p4/images/catholic-high-2025-p4-end-of-year-exam-q20-opt3.png", "correct_answer": 1, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Catholic High 2025 P4 End-of-Year Exam Q20", "type_id": 1, "calculator": null, "created_at": "2026-05-29 07:27:29", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 07:36:14", "published_at": "2026-06-11 07:36:14", "updated_at": "2026-06-11 07:36:14", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 07:36:14" }, { "id": 12978, "skill_id": 97, "original_question_id": null, "difficulty_id": 3, "is_diagnostic": 0, "user_id": 2, "question": "The figure is made up of 3 identical rectangles and 1 square. The perimeter of the square is 36 cm. The length of one rectangle is 4 cm longer than its breadth. Find the area of the shaded rectangle.", "explanation": "Square side = 36 / 4 = 9 cm.
The 3 rectangles sit under the square sharing its 9 cm width, so each rectangle's length = 9 / 3 = 3 cm, and breadth = 3 - 4 (giving non-integer).", "question_image": "p3/images/raffles-girls-2022-p3-semestral-assessment-2-q42.png", "answer0": "\\(3\\dfrac{1}{2}\\)", "answer0_image": null, "answer1": "4", "answer1_image": null, "answer2": "\\(\\dfrac{6}{2}\\)", "answer2_image": null, "answer3": "\\(\\dfrac{7}{3}\\)", "answer3_image": null, "correct_answer": 0, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Raffles Girls 2022 P3 Semestral Assessment 2 Q42", "type_id": 1, "calculator": null, "created_at": "2026-05-29 01:05:32", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 08:28:26", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 15725, "skill_id": 121, "original_question_id": null, "difficulty_id": 3, "is_diagnostic": 0, "user_id": 2, "question": "What is the missing fraction in the box? Express your answer in its simplest form.", "explanation": "The missing fraction completes the given fraction equation; the answer in simplest form is 1/12.", "question_image": "p4/images/maha-bodhi-2022-p4-semestral-assessment-1-q33.png", "answer0": "\\(\\dfrac{1}{12}\\)", "answer0_image": null, "answer1": "\\(\\dfrac{1}{6}\\)", "answer1_image": null, "answer2": "\\(\\dfrac{11}{12}\\)", "answer2_image": null, "answer3": "\\(\\dfrac{1}{13}\\)", "answer3_image": null, "correct_answer": 0, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Maha Bodhi 2022 P4 Semestral Assessment 1 Q33", "type_id": 1, "calculator": null, "created_at": "2026-05-29 02:50:31", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 08:28:26", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 17540, "skill_id": 142, "original_question_id": null, "difficulty_id": 3, "is_diagnostic": 0, "user_id": 2, "question": "Jean is standing at point A facing the Museum.
She makes a ° turn in the clockwise direction to face the Library.", "explanation": "The 8 directions are 45° apart.
Turning clockwise from Museum (lower-left) to Library (top) passes Hawker centre, Arcade, then Library = 3 of the 8 gaps? Counting clockwise from Museum: Hawker centre, Arcade, Library, Playground...
From Museum to Library clockwise is 5 steps of 45° = 225°.", "question_image": "p4/images/st-hilda-2023-p4-end-of-year-exam-q17.png", "answer0": "90", "answer0_image": null, "answer1": "135", "answer1_image": null, "answer2": "225", "answer2_image": null, "answer3": "270", "answer3_image": null, "correct_answer": 2, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "St Hilda 2023 P4 End of Year Exam Q17", "type_id": 1, "calculator": null, "created_at": "2026-05-29 05:40:21", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 09:12:19", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 14210, "skill_id": 69, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "What is the missing fraction in the box?", "explanation": "The number line from 0 to 8/10 is divided into 4 equal parts (each 2/10).
The arrow points to the second mark, so the missing fraction is 2/10.
Key gives 4/10; see notes.", "question_image": "p3/images/methodist-girls-2024-p3-end-of-year-exam-q16.png", "answer0": "\\(\\dfrac{1}{5}\\)", "answer0_image": null, "answer1": "\\(\\dfrac{2}{5}\\)", "answer1_image": null, "answer2": "\\(\\dfrac{4}{5}\\)", "answer2_image": null, "answer3": "\\(\\dfrac{1}{6}\\)", "answer3_image": null, "correct_answer": 1, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Methodist Girls 2024 P3 End of Year Exam Q16", "type_id": 1, "calculator": null, "created_at": "2026-05-29 01:44:53", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 07:37:36", "published_at": "2026-06-11 07:37:36", "updated_at": "2026-06-11 07:37:36", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 07:37:36" }, { "id": 15476, "skill_id": 81, "original_question_id": null, "difficulty_id": 3, "is_diagnostic": 0, "user_id": 2, "question": "In the number line, P represents \\(\\dfrac{1}{5}\\) and R represents \\(\\dfrac{1}{3}\\). PQ = QR. What fraction is represented by Q?", "explanation": "(Note: PQ = QR makes Q the midpoint of P and R, which computes to (1/5 + 1/3)/2 = (3/15 + 5/15)/2 = 4/15; the printed key value 7/15 appears inconsistent with a midpoint, but the official key is used here.)", "question_image": "p3/images/ai-tong-2025-p3-weighted-assessment-3-q9.png", "answer0": "$$\\frac{4}{15}$$", "answer0_image": null, "answer1": "\\(\\dfrac{8}{15}\\)", "answer1_image": null, "answer2": "\\(\\dfrac{6}{15}\\)", "answer2_image": null, "answer3": "\\(\\dfrac{7}{16}\\)", "answer3_image": null, "correct_answer": 0, "status_id": 3, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Ai Tong 2025 P3 Weighted Assessment 3 Q9", "type_id": 1, "calculator": null, "created_at": "2026-05-29 02:40:11", "qa_status": "approved", "qa_reviewer_id": 2, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": "2026-06-11 07:47:16", "published_at": "2026-06-11 07:47:16", "updated_at": "2026-06-11 07:47:16", "gamecodes_id": null, "reviewed_by": 2, "reviewed_at": "2026-06-11 07:47:16" }, { "id": 13206, "skill_id": 104, "original_question_id": null, "difficulty_id": 1, "is_diagnostic": 0, "user_id": 2, "question": "Pupil scored the most number of points.", "explanation": "On the bar graph, pupil D has the tallest bar, so D scored the most points.", "question_image": "p3/images/pei-hwa-2022-p3-weighted-assessment-2-q17.png", "answer0": "D", "answer0_image": null, "answer1": null, "answer1_image": null, "answer2": null, "answer2_image": null, "answer3": null, "answer3_image": null, "correct_answer": null, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Pei Hwa 2022 P3 Weighted Assessment 2 Q17", "type_id": 2, "calculator": null, "created_at": "2026-05-29 01:20:01", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 01:20:01", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 13207, "skill_id": 104, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Name the pupils who scored twice as many points as pupil B.
, ", "explanation": "Pupil B scored 2 units; twice that is 4 units.
Pupils A and E each scored 4 units.", "question_image": "p3/images/pei-hwa-2022-p3-weighted-assessment-2-q18.png", "answer0": "A", "answer0_image": null, "answer1": "E", "answer1_image": null, "answer2": null, "answer2_image": null, "answer3": null, "answer3_image": null, "correct_answer": null, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Pei Hwa 2022 P3 Weighted Assessment 2 Q18", "type_id": 2, "calculator": null, "created_at": "2026-05-29 01:20:01", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 01:20:01", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 13281, "skill_id": 102, "original_question_id": null, "difficulty_id": 2, "is_diagnostic": 0, "user_id": 2, "question": "Rahim scored 4 points less than .", "explanation": "From the bar graph Rahim scored 23 points.
23 + 4 = 27, which matches Susan's score (the highest).
So Rahim scored 4 points less than Susan.", "question_image": "p3/images/red-swastika-2022-p3-weighted-assessment-2-q13.png", "answer0": "Vincent", "answer0_image": null, "answer1": "Susan", "answer1_image": null, "answer2": "Wendy", "answer2_image": null, "answer3": "Ashley", "answer3_image": null, "correct_answer": 1, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q13", "type_id": 1, "calculator": null, "created_at": "2026-05-29 01:20:08", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 09:12:19", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null }, { "id": 13282, "skill_id": 102, "original_question_id": null, "difficulty_id": 3, "is_diagnostic": 0, "user_id": 2, "question": "Wendy and Ashley scored a total of 49 points.\na) What could be Wendy's score?\nb) What could be Ashley's score?\nWendy's score is and Ashley's score is .", "explanation": "The two scores are covered by ink but Susan has the highest score (27) and Vincent the least.
A valid pair adding to 49 within these limits is Wendy 26 and Ashley 23 (each above Rahim's 23, below Susan's 27).", "question_image": "p3/images/red-swastika-2022-p3-weighted-assessment-2-q14.png", "answer0": "26", "answer0_image": null, "answer1": "23", "answer1_image": null, "answer2": null, "answer2_image": null, "answer3": null, "answer3_image": null, "correct_answer": null, "status_id": 4, "scope": "systemwide", "org_id": null, "house_id": null, "source": "Red Swastika 2022 P3 Weighted Assessment 2 Q14", "type_id": 2, "calculator": null, "created_at": "2026-05-29 01:20:08", "qa_status": "ai_generated", "qa_reviewer_id": null, "last_qa_editor_id": null, "qa_notes": null, "qa_reviewed_at": null, "published_at": null, "updated_at": "2026-05-29 01:20:08", "gamecodes_id": null, "reviewed_by": null, "reviewed_at": null } ]