Simple Interest ( 4 Questions & Solutions )

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Q.1) Out of a sum of Rs.640, a part was lent at 6% simple interest and the other part at 9% simple interest. If the interest on the first part after 3 years is equal to the interest on the second part after 6 years, then what is the second part?

Q.2) What sum will amount to Rs.6600 in 4 years at 8% p.a. simple interest?

Q.3) Simple Interest on a certain amount is 16/25 times the Principal. If the number representing the Rate of Interest in per cent and Time in years be equal, then Time, for which the Principal amount in lent out, is how much?


Q.4) If the interest on Rs.25,000 be more than the interest on Rs.17,000 by Rs.1,920 in 3 years, find the Rate of Interest per annum.




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