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in Mathematics by (63.7k points)

Divide Rs. 1301 between A and B, so that the amount of A after 7 years is equal to the amount of B after 9 years, the interest being compounded at 4% per annum.

1 Answer

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Best answer

Let the two parts be Rs. x and Rs. (1301 - x). 

x(1+4/100)7 =(1301-x)(1+4/100)9 

x/(1301-x)=(1+4/100)2=(26/25*26/25) 

625x=676(1301-x) 

1301x=676*1301 

x=676. 

So,the parts are Rs.676 and Rs.(1301-676)i.e Rs.676 and Rs.625.

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