MCQ
The smallest number by which $162$ should be multiplied to make it a perfect square is
- A$4$
- B$3$
- ✓$2$
- D$1$
✓
Answer
Correct option: C.
$2$
$162 = 2 \times 3 \times 3 \times 3 \times 3$
For $2$ is left unpairs. So, by multiplying $162$ by $2,$
we get a perfect square.
$\therefore$ Required least number to be multiplied $= 2 $
For $2$ is left unpairs. So, by multiplying $162$ by $2,$
we get a perfect square.
$\therefore$ Required least number to be multiplied $= 2 $
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