Question

Anjali invested Rs.6000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from the scheme is Rs.2640 then find the value of ‘x’.

A 10 Correct Answer Incorrect Answer
B 12 Correct Answer Incorrect Answer
C 15 Correct Answer Incorrect Answer
D 20 Correct Answer Incorrect Answer

Solution

According t the question, => 2640 = 6000 x [(100 + x)/100]2 – 6000 => 8640 = 0.6 x (100 + x)2 => (100 + x)2 = 14400 => x = 120 – 100 => x = 20

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