Question

The mean of 5 numbers is 18 if one number is excluded their mean is 16 the excluded no is​

Answer 1

Answer:

total of 5 number is=18*5=90

total of 4 number is =16*4=64

excluded number=90-64=26

26 is the removed number

Answer 2

Answer:

a1=26

Step-by-step explanation:

mean of 5 numbers is 18

(a1+a2+a3+a4+a5) /5=18

sum of all numbers will be 90{5×18}

let a1 be the excluded number

(a1+a2+a3+a4+a5)=90

a2+a3+a4+a5=90-a1

so,

a2+a3+a4+a5/4=16

90-a1=64

a1=26