1.

A sum of money amounts to Rs. 2000 in 3 years and Rs. 2500 in 5 years at simple interst. Find the rate of interest per annum.

Answer»

`33(1)/(3)%`
`12(1)/(3)%`
`25%`
0.2

Solution :S.I. for 2 years = RS. 500.


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