SSC CHSL Model Paper 5

DIRECTIONS (Qs. 18-19): In the following questions, select the missing number from the given response.

Question : 19 of 100

Marks: +1, -0

Solution:

4^2+ 1^2 + 2^2 + 3^2 = 30

6^2 + 3^2 + 4^2+ 15 = 286

3^2 + 4^2 + x + 12^2=218

169+x = 218

x = 218-169=√49=7

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