Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8210/-. Find out the amount that he borrowed.	Choose the correct choice from the following answers
A) s. 5331	B) s. 5269	C) s. 5228	D) s. 5218	E) s. 52192
Explanation:   Let us assume Mr. Karan borrowed amount is Rs. A. (the principal)   By formula of simple interest, S.I. = PRT / 100   Where P = The principal, R = Rate of interest as a %, T = Time in years   S.I. = (P * 6 * 9)/100 = 54 P/100   Amount = Principal + S.I.   8210 = P + (54P/100)   8210 = (100P + 54P)/100   8210 = 154P/100   P = (8210 * 100)/154 = Rs. 5331.169   s. 5331NSWER: s. 5331
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Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8210/-. Find out the amount that he borrowed.