Question

What sum invested for one and half years calculated half a later date of it person payable amount to rupees 140 608?

Answer 1

Explanation:

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Let the principal be ₹PTime=1 and half year=18 months= 3 half yearRate of interest =4%Rate is compounded half yearly so 4%÷2=2Now, amount= p(1+r/100)^t₹132651=P(1+2/100)^3132651=P(51/50)^3P= 132651×50×50×50/51×51×51P=₹125000Therefore sum =₹125000

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