Question

a) A man invested Rs. 1800 in a bank for one year to get a certain
interest. If the same interest it to be obtained in 8 months at the
same rate, what sum should be invested?​

Answer 1

Answer:

He invested 1800rupess for 1 year and got interest of x for the year

Interest for 1 month is x/12

If person wanted to get same amount in 8 months then... 8*x/12=2x/3

Amount to be deposited is y

1800..........interest is x/12per month

y.................. 2x/3

y=1800*2x*12/3x=1800*8=14,400per year

Hope you are satisfied with the answer

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