Question

Pavan scored 36 marks in English, 44
marks in Hindi, 75 marks in
Mathematics and 'x' marks in Science.
If he has scored an average of 50 marks,
then value of 'x' is
(. )

A) 69
B) 72
C) 45
D) 91​

Answer 1

Answer:

According to the question,

$\frac{36 + 44 + 75 + x }{4} = 50$

$155 + x = 200$

$x = 45$