1.

If the rate of compound interest on a certain amount is 25% and the amount received after one year is Rs. x, then the principal amount is1). Rs. 0.83x2). Rs. 0.80x3). Rs. 0.25x4). Rs. 4x

Answer»

Given that, rate of compound interest = 25% and amount of the FIRST installment is Rs.X

We know that, COMPOUNDED amount,

A = P[1 + r/100]n

Here A = Amount, P = Principal, r = Rate

P = x/[1 + 25/100]1

P = 0.8x


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