Question

rs.64000 will amount to rs.102400 in 6 years at _____%p.a​

Answer 1

Answer:

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Answer 2

Given :- rs.64000 will amount to rs.102400 in 6 years at _____%p.a

Solution :-

we know that, when rate is at simple interest per annum ,

• Rate = (Interest * 100) / (Principal * time) .
• Interest = Amount - Principal .

so,

→ Interest = 102400 - 64000 = Rs.38400 .

then,

→ Rate = (38400 * 100) / (64000 * 6) = (384 * 10) / (64 * 6) = 3840 / 384 = 10% per annum . (Ans.)

Learn more :-

Interest on rs.5000 at the rate of 8 p.c.p.a. for ______ year is rs.1200

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