What is 15 × 3 − 20?
▶ Show Answer
Correct: B) 25
First multiply: 15 × 3 = 45. Then subtract: 45 − 20 = 25.
Mixed operations questions in Class 2 IMO test whether a child can combine addition, subtraction and multiplication correctly in sequence. Bronze questions have two operations in a single step. Silver questions embed the operations inside a word problem with two or three distinct calculations. Gold questions chain three or more operations together, often requiring an intermediate value to be worked out before the final calculation can begin. Speed and accuracy with basic facts is the foundation — but reading carefully is just as important.
What is 15 × 3 − 20?
Correct: B) 25
First multiply: 15 × 3 = 45. Then subtract: 45 − 20 = 25.
Priya buys 4 pens at ₹7 each and 3 notebooks at ₹12 each. What is the total cost?
Correct: C) ₹64
Pens: 4 × ₹7 = ₹28. Notebooks: 3 × ₹12 = ₹36. Total: ₹28 + ₹36 = ₹64.
A bag holds 8 apples. Rohan fills 6 bags completely and then eats 5 apples. How many apples are left?
Correct: B) 43
Total apples: 6 × 8 = 48. After eating 5: 48 − 5 = 43 apples left.
Aarav earns ₹9 for each errand he runs. He runs 7 errands and then spends ₹18 on a book. Later he earns ₹12 more from a neighbour. How much money does Aarav have now?
Correct: B) ₹57
Earned from errands: 7 × ₹9 = ₹63. After buying book: ₹63 − ₹18 = ₹45. After neighbour's payment: ₹45 + ₹12 = ₹57.
Maya has 3 boxes. Each box contains 4 bags. Each bag holds 5 marbles. Maya removes 10 marbles from the total. How many marbles remain?
Correct: A) 50
Total marbles: 3 × 4 × 5 = 60. After removing 10: 60 − 10 = 50 marbles remain.
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