1. What is the rate of interest p.c.p.a.? I. An amount doubles itself in 5 years on simple interest. II. Difference between the compound interest and the simple interest earned on a certain amount in 2 years is Rs. 400. III. Simple interest earned per annum is Rs. 2000.

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By: guest on 01 Jun 2017 05.46 pm

I. P x R x 5 = P R = 20. 100 II. P 1 + R 2 - P - P x R x 2 = 400 PR2 = 4000000. 100 100 III. P x R x 1 = 2000 PR = 200000. 100 PR2 = 4000000 R = 20. PR 200000 Thus I only or (II and III) give answer. Correct answer is (E).