Question

Find the value of 'y' if $5^y=125$

• A. 4
• B. 3
• C. 2
• D. 5

Answer 1

The correct option is B

3

Given $5^y=125$

$125=5\times 5\times 5=5^3$

$\Rightarrow 5^y=5^3$

$\because$ Bases are equal, powers should also be equal

$\therefore y=3$