Question
A sum at Simple Interest amounts to Rs. 1000 in 2 years and Rs. 4000 in 5 years. Find the sum and rate of interest?
Answer: Option D
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Amount in 2 years = Rs. 1000
Amount in 5 years = Rs. 4000
Interest for 3 years = 4000 – 1000 = Rs. 3000
R =
100 x SI
=
100 x 30
= 33
1
PT
1000 x 3
3
P =
100 x SI
=
100 x 1000
100
x 2
3
RT
=
100 x 1000 x 3
= 1500
100 x 2
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