A certain sum of money amounts to rupees 2900 at 4 per annum in 4 years In how many years will it am...........

Quantitative Aptitude ( CCS) Simple Interest

A certain sum of money amounts to rupees 2900 at 4% per annum in 4 years. In how many years will it amount to rupees 5000 at the same rate?

Solution:
2900 = p + p*(4/100)*4, p = 2500
5000 = 2500 + 2500*(4/100)*t
5000=2500+100t
t =25

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