1.

3 terms are in AP such that their sum is 18. The sum of the first 2 terms is six more than the sum of the last 2 terms. Find the last term?​

Answer»

ong>Answer:

LAST TERM IS 3

Step-by-step EXPLANATION:

let the 3 TERMS be a-d , a , a+d .These are in AP

given that their sum is 18 , therefore.

a-d + a + a+d = 18

3a =18

a = 6

also, a-d + a = 6+ a + a+d

d = -3

therefore the last number is a+d = 3 .

HOPE IT HELPED.



Discussion

No Comment Found

Related InterviewSolutions