Question

the mean of 15 numbers is 5 if 2 is added to each number then what will be the new mean plzz solve

Answer 1

the new mean will be multiplied by the original mean
15x2=30
hence, 30 is the new mean

Answer 2

LET THE SUM OF NUMBERS BE x,

x /15 =5
x= 75

A.T.Q

75 + 2 ×15 /15 = 7

THE NEW MEAN WILL BE 7

HOPE IT HELPS YOU

HAVE A GOOD DAY.