SSC CHSL 19 Mar 2020 Shift 3 Paper

Question : 51 of 100

Marks: +1, -0

Quantitative Aptitude

The difference between the compound interest on a sum of ₹ 8000 for

1 {\yr}

at the rate of

10 \%

p.a. interest compounded yearly and half yearly is

Solution:

According to the question, Compound interest when compounded yearly

=8000 \×(1+{10}/{100})^{1}-8000

=8000 \×({110}/{100})-8000

=8800-8000=₹ 800

Compound interest when compounded half yearly

=8000 \×(1+{5}/{100})^{2}-8000

=8000 \×({105}/{100})^{2}-8000

=8820-8000=₹ 820

∴ Required difference

=820-800=₹ 20

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