Algebra & Equations · Question 9 · Medium
Pooja has 40 coins, all ₹5 and ₹2 coins, worth ₹131 in total. How many ₹5 coins does she have?
- 15
- 17
- 23
- 20
Answer and explanation
Answer: B. 17
Explanation: Let there be f ₹5 coins: 5f + 2(40 − f) = 131, so 3f = 51 and f = 17 (with 23 ₹2 coins).
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