Question
Tina invested Rs. βxβ at 14% p.a. simple interest
and Tanu invested Rs. (x + 700) at 11% p.a. If the total interest after 1 year is Rs. 615, find the value of βxβ.Solution
According to the question,
(x Γ 0.14 Γ 1) + {(x + 700) Γ 0.11 Γ 1} = 615 Or, 0.14x + 0.11x + 77 = 615 Or, 0.25x = 538 Or, x = 538 / 0.25 = 2152 Or, x = Rs. 2152
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