SSC CGL 23 Aug 2021 Shift 1 Paper

Question : 75 of 100

Marks: +1, -0

Study the following table and answer the question.
Percentage of marks obtained by six students in five subjects

A, B, C, D

, and E.

Total marks obtained by Amit, Abhi and Anuj in subject

{E}

is what percent more than the total marks obtained by all the six students in subject B? (correct to one decimal place)

Solution:

Marks obtain by Amit in

E=150 × \;{80}/{100}=120

Marks obtained by Abhi in E Subject

=150 × \;{74}/{100}=111

Marks obtained by Anuj in

E=\;{150 × 84}/{100}=126

Total marks of Amit + Abhi + Anuj in

E

subject

=120+111+126=357

Marks obtained by all students in subject B

=80\;× \;{85}/{100}+80 × \;{65}/{100}+80 × \;{75}/{100}

+80 × \;{55}/{100}+80 × \;{65}/{100}+80 × \;{70}/{100}

=\;{80}/{100} × 415=332

Required percentage

\;\; =\;{(357-332)}/{332} × 100

\;\; =\;{25}/{332} × 100

Percentage

=7.53 \%

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