Question

a certain sum of money amounts to ₹4800 in 4 years and 5200 in 6 years.Find the sum of money and the rate of interest.
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Answer 1

Answer:

12 is the answer !!!!hope u like it

Answer 2

Answer:

We know, 

A=P(1+100r)n

Let the sum is x and rate is r

x(1+100r)2=4800−−−−(I)

x(1+100r)4=6400−−−−(II)

devide (I) by (II)

(1+100r)2=34

1+100r=32

100r=32−1

from (I)

x(1+32−1)2=4800

x×3