Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8510/-. Find out the amount that he borrowed.
Choose the correct choice:
A) s. 5266
B) s. 5269
C) s. 5228
D) s. 5218
E) s. 5526
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.   8510 = P + (54P/100)   8510 = (100P + 54P)/100   8510 = 154P/100   P = (8510 * 100)/154 = Rs. 5525.974   ANSWs. 5526R: s. 5526
<result>E</result>
Mr. Karan borrowed a certain amount at 6% per annum simple interest for 9 years. After 9 years, he returned Rs. 8510/-. Find out the amount that he borrowed.