Question

a sum of money invested at 8% per annum amounts to 12122 in 2 yrs. What will it amount in 2 yrs 8 months at 9% per annum​

Answer 1

Answer:

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Explanation:

R=8%

A=12122rs

T=2 years

Let p=x rs

Then 12122-x=x*8*2/100

=>12122=4x/25+x

=>12122=29x/25

=>12122*25/29=x

=>418*25=x

=>10450=x

After 2year8month at 9%per annum

T=8/3year

R=9%

P=10450rs

I=10450*8*9/300

=10450*24/100

=250800/100

=2508rs

A=10450+2508=12958rs