A boy has 15 rupees. He spends 9 rupees on a toy and 3 rupees on a snack. How many rupees does he have left?
Answer
3
The correct answer is 3 — Thus the boy has 3 rupees left.
Step-by-step solution
- Subtract 9 from 15 to find remaining after toy. 15-9 = 6.
- Subtract 3 from 6 to find remaining after snack. 6-3 = 3.
- Thus the boy has 3 rupees left.
Common mistake: Subtracting wrong order
Concept tested: Sequential subtraction
Published · How this solution was prepared and checked
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