Question
Aman invested Rs. x at 9% per annum simple interest for
4 years and Neha invested Rs. (x + 800) at 12% per annum simple interest for 1 year. If the total interest is Rs. 372, find x.Solution
ATQ:
(x Ă— 9 Ă— 4)/100 + {(x + 800) Ă— 12 Ă— 1}/100 = 372
36x + 12x + 9600 = 37200
48x = 27600
x = Rs. 575
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