Question

14) The average of three numbers is 5,1f the sum of the first two numbers is 6, then Find the third number​

Answer 1

Answer :

• Third number is 9

Given :

• The average of three number is 5
• Sum of first two numbers is 6

To find :

• Third number

Solution :

• Let the third number be x

• Average of three number is 5 then 5 × 3 = 15

Sum of two numbers is 6 ,

According to question,

》x + 6 = 15

》x = 15 - 6

》x = 9

Hence , Third number is 9

Verification :

x is 9

》x + 6 = 15

》9 + 6 = 15

》15 = 15

Hence, Verified.