Arithmetic Ability - Square Roots and Cube Roots Free Online Tests | Mock Tests | Preparation | Practice Tests

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If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number?

A. 5.65

B. 2.7

C. 3.5

D. 6.66

View Answer

Correct choice: C

Explanation:

Let the number is = x (89)2 + x2= 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5

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