Question

If the average of 40,10,15,20,35,x is25 then the value of x is

Answer 1

$here \\ n = 6 \\ therefore \\ 40 + 10 + 15 + 20 +35 + x = 25 \\ 120 + x = 25 \\ \frac{120}{6} + \frac{x}{6} = 25 \\ 20 + \frac{x}{6} = 25 \\ 20 + x = 25 \times 6 \\ 20 + x = 150 \\ x = 150 - 20 = 130$

Answer 2

hey mate ur ans
thanks