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Aptitude Day 319

Answers of Day 318: 1. 400.
                                    2. 1.

Problems to solve on Compound Interest:

1. The simple interest on a certain sum of money for 5 years at 3% p.a. is half the compound interest on 2000 for 3 years at 5% p.a. The sum placed on simple interest is:

2. The compound interest on a certain sum for 1 year at 20% p.a. is 500. The simple interest on the same sum for double the time at half the rate percent per annum is:



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