Question

please answer my question ​

Answer 1

$</p><p>\blue{\underline {\underline {Answer:}}}$

$</p><p>\orange{\underline {\underline{Step\: By \:Step\:Explaination- }}}$

Let the number of MCQs he solved correctly by X

No of MCQs solved incorrectly = 180 - X

$</p><p>\green{\therefore{\boxed { 4X \: - \:180 \: + \: x \: = \:480 }}}$

$5x - 180 = 480$

$5x = 660$

$x = 132$

Hence he got 132 MCQs correct and 48 MCQs wrong.

$</p><p>\red{\underline {\underline {Hope\: This \: Helps}}} </p><p></p><p>$