SSC CGL 23 Aug 2021 Shift 1 Paper

Question : 62 of 100

Marks: +1, -0

In an examination, the average score of a student was 67.6 . If he would have got 27 more marks in Mathematics, 10 more marks in Computer Science, 18 more marks in History and retained the same marks in other subjects, then his average score would have been 72.6. How many papers were there in the examination?

Validate

Solution:

Let total subjects are

x

.
According to the question,

⇒ \;\; 72.6 x-67.6 x \;\; =27+10+18

5 x \;\; =55

x \;\; =11

So, the total number of subjects are

11 .

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