Instructions

What approximate value will come in place of the question mark (?) in the following questions ? (You are not expected to calculate the exact value).

Question 36

$$\sqrt{575}\div?\times14.98^{2}=450$$

Solution

575 is approximately equal to 576 and 14.98 is approximately equal to 15.

$$\frac{24}{x}* 225 = 450$$

=> x = 24/2 = 12.

Option E is the right answer.

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