CA Foundation P3 · Chapter 2 · Question 7 of 9
A cashier has ₹1,200 made up of 90 notes, some of ₹10 and the rest of ₹20. The number of ₹20 notes is:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: D) 30
Explanation
Let the number of ₹20 notes be b, so ₹10 notes = 90 − b. Then 10(90 − b) + 20b = 1,200, so 900 + 10b = 1,200 and b = 30. There are 60 notes of ₹10; check: 600 + 600 = 1,200.
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