Question

Rahul's average marks in 5 subjects in an examination were 75. He scored 72 inEnglish. 64 in Bengali, 81 in Maths, 73 in History. How much did he score in
science?​
please step by step​

Answer 1

Step-by-step explanation:

simple

Rahul's average marks in 5 subjects were 75

he scored in English = 72

in Bengali = 64

in Maths = 81

in History = 73

science = ?

avg marks = total no. of obtained marks * 100 / total no. of marks

75 = (72+64+81+73+ x ) * 100 / 500

75*5 = 290 + x

375 -290 = x

x = 85

he score 85 marks in science

Answer 2

Answer:

85 marks

Step-by-step explanation:

72 in English.

64 in Bengali,

81 in Maths,

73 in History,

? in Science

$75 = \frac{(72 + 64 + 81 + 73 + x)}{5} \\ 75 = \frac{(290 + x)}{5} \\ 75 \times 5 = 290 + x \\ 375 = 290 + x \\ 375 - 290 = x \\ x = 85$

Hoping you would get it