1. What is the sum which earned interest? I. The total simple interest was Rs. 7000 after 7 years. II. The total of sum and simple interest was double of the sum after 5 years.
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By: guest on 01 Jun 2017 05.48 pm
Let the sum be Rs. x. I gives, S.I. = Rs. 7000 and T = 7 years. II gives, Sum + S.I. for 5 years = 2 x Sum Sum = S.I. for 5 years. Now, S.I. for 7 years = Rs. 7000. S.I. for 1 year = Rs. 7000 = Rs. 1000. 7 Thus, I and II both are needed to get the answer. Correct answer is (E).