Question

the mean of 8 numbers is 35 if a number is in excluded then the mean is reduced by 3 find the excluded number

Answer 1

x=56
Solving:
let us take x as sum of 8 numbers
x/8=35
x=280

now, 280-x/7 = 35-3
solving 280-x=224
x=280-224
x=56

Answer 2

Integrate any one tan