Question

three numbers are in ap. if the sum of extreme numbers os 24 find a2

Answer 1

Given,
Three numbers are in AP
a2+a3=24
To find,
a2
ATQ,
Let the numbers be:-
a1=a-d
a2=a
a3=a+d
Now,
a-d+a+a+d=24
3a=24
a=8
So,
a2=a=8

Hope this helps you!