a certain sum of money amounts to rs 1744 in 2 years at simple interest,at a certain rate and to rs 1960 at the same rate in 5 years.find the sum and rate percent
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- S.I. for 3 years = Rs. 1960 - 1744 = 216
- S.I. for 2 years = Rs. (216 x 2) = Rs. 432
Principal = Rs. (1744 - 288)=Rs. 1312
Now, P = 1456,
T = 2
S.I.= 288
Rate = (100x432 ⁄ 1312 x2) = 13%
sum = 1456
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