Question

mean of 5 number is 4 if 1 is added to every number then you mean will be​

Answer 1

Answer:

25

Step-by-step explanation:

let the 5 numbers be x, y, z, a, b

x+y+z+a+b/5 = 4

⇒ x+y+z+a+b = 20

when 1 is added to all the numbers,

i.e. x+1+y+1+z+1+a+1+b+1 = x+y+z+a+b+5 = 20+5 = 25

∴ the answer is 25