Question
Vipul invested Rs.4000 at the rate of R% simple
interest for four years and he got Rs.1600 as interest. If he invest same amount for 2 years in C.I. and rate of interest increased by 4%, then find the interest received by Vipul after 2 years.Solution
=> 1600 = (4000 × R × 2)/100 => R = 10% C.I. for 2 years, => 14 + 14 + (14 × 14)/100 = 29.96% => 29.96% of 4000 => (29.96/100) × 4000 = Rs. 1198.4
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