Examveda
Examveda

Which number can replace both the question marks in the equation ?
$$\frac{{4\frac{1}{2}}}{?} = \frac{?}{{32}}$$

A. 1

B. 7

C. $$7\frac{1}{2}$$

D. None of these

Answer: Option D

Solution(By Examveda Team)

$$\eqalign{ & {\text{Let,}} \cr & {\text{ }}\frac{{4\frac{1}{2}}}{x} = \frac{x}{{32}} \cr & {\text{Then,}} \cr & \Leftrightarrow {x^2} = 32 \times \frac{9}{2} \cr & \Leftrightarrow {x^2} = 144 \cr & \Leftrightarrow x = \sqrt {144} \cr & \Leftrightarrow x = 12 \cr} $$

This Question Belongs to Arithmetic Ability >> Square Root And Cube Root

Join The Discussion

Comments ( 1 )

  1. Rupak Kairi
    Rupak Kairi :
    4 years ago

    Answer should be 8.

Related Questions on Square Root and Cube Root