Question

srikanth's average marks in 6 subjects in an examination were 65.He scored 64 in english, 68 in hindi, 58 in maths, 55 in science and 70 in history. How many marks did he get in geography?​

Answer 1

Average marks in 6 subjects = 65

Let the score in Geography be x.

Here we can continue,

$\frac{64+68+58+55+70+x}{6} = 65\\315 + x =65 * 6\\x=390-315\\x=75$