Question

find the number of year after which a sum of 3500 will become rupees 4390.40 rate of 12%​

Answer 1

Principle amt = P = 3500

Rate of interest = R = 12%

Time = t = ?

Amount = 4390.40

Interest = Amount - Principle

Interest = 4390.40 - 3500

Interest = 890.40

SI = PRt/100

890.40 = 3500 * 12 * t/100

89040 = 42000t

t = 89040/42000

t = 2.12 yrs

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