Approximation

Quantitative Aptitude (CGL)

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(342.967 / (7)^2)*12.99 = ?^2 – 89.99% of 10

7

10

12

15

Explanation:

(342.967 / (7)^2)*12.99 = ?^2 – 89.99% of 10
=> (343/49)*13 = ?^2 – 90% of 10
=> 7*13 = ?^2 – 9
=> 91+9 = ?^2
=> ? = 10

Hence, option 2 ist he correct answer.

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