Question

Anil deposit a sum of rupees 500 in his bank 15 August 2017 October I withdraw whatever interest and occurred in his account at the same time he withdraw rupees 100 from is depository later withdraw the balance amount left in his account with interest on 29 December what sums did he receive on these two dates if the bank paid and interest of 5% per annum

Answer 1

Let the number of Rs 5 notes be x
Hence the number of Rs 10 notes be (90 − x)
Total sum of money = Rs 500
∴ 5x + 10 (90 − x) = 500
5x + 900 − 10x = 500
 − 5x = 500 − 900 = −400
∴ x = 80
Hence there are 80 notes of Rs 5 and 10 notes of Rs 10.

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