BPSC 64th Prelims Exam 16 Dec 2018 Solved Paper

Question : 125 of 150

Marks: +1, -0

In an examination, every candidate took Hindi or History or both

66 \%

took Hindi and

59 \%

took History. The total number of candidates was 3000. How many candidates took both Hindi and History?

Solution:

Explanation: Total candidate

=

Hindi choosing candidate

+

History chosen candidate

-

candidates who chosen both the subjects.

100 \%=66 \%+59 \%-x

⇒ x=25 \%

∴ 25 \%

of total number of candidates

=\;{25 × 3000}/{100}=750

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