SSC CGL Model Paper 10

Question : 60 of 100

Marks: +1, -0

What is the difference (in ₹) between the compound interests on ₹1000 for 1 year at 10% per annum compounded yearly and half-yearly?

Solution:

Required difference

=1000[1+10/{2×100}]^2

-1000[1+10/100]

=1000[21/20]^2-1000[11/10]

=1000[441/400-11/10]

=1000[{441-440}/400]

={1000×1}/400=\₹2.5

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