Question

The sum of three numbers in Ap is 30. If the greatest is 13 then , its common difference is ??

Answer 1

Answer:

Step-by-step explanation:first let the three intigers be

A-d,a,a+d

So a-d+a+a+d

:3a=30

So,a,=10

So largest number is 13 and we took largest number as a+d

So a=10

Therefore,10+d=30

So,d=3

Solved