Quantitative Aptitude

General Questions

21.  The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Re. 1. The sum (in ₹) is:
A. 625
B. 630
C. 640
D. 650
22.  The compound interest on a sum for 2 years is ₹ 832 and the simple interest on the same sum for the same period is ₹ 800. The difference between the compound and simple interest for 3 years will be ?
A. ₹ 48
B. ₹ 66.56
C. ₹ 98.56
D. None of these
23.  The difference between the compound interest and the simple interest accrued on an amount of ₹ 18,000 in 2 year was ₹ 405. What was the rate of interest p.c.p.a ?
A. 15%
B. 12%
C. 10%
D. 13%

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Exercise