Question

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

3? x 23 ÷ √ 256 = 40.5

A 10 Correct Answer Incorrect Answer
B 4 Correct Answer Incorrect Answer
C 9 Correct Answer Incorrect Answer
D 12 Correct Answer Incorrect Answer
E None of these Correct Answer Incorrect Answer

Solution

3? x 23 ÷ √256 = 40.5 => 3? x 23 ÷ 16 = 40.5 => 3? x 8 ÷ 16 = 40.5 => 3? = 81 => 3?  = 34 => ? = 4

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