Question

What will come in the place of question mark (?) in the given expression?

54% of 250 = 6 × 21 + √?

A 61 Correct Answer Incorrect Answer
B 71 Correct Answer Incorrect Answer
C 81 Correct Answer Incorrect Answer
D 91 Correct Answer Incorrect Answer
E 101 Correct Answer Incorrect Answer

Solution

54% of 250 = 6 × 21 + √? => 135 = 126 + √? => √? = 135 – 126 => √? = 9 => ? = 81

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