1 In an AP the sum of first ten terms is -150 and the sum of the AP Find

In an AP, the sum of first ten terms is -150 and the sum of its next ten terms is -550 Find the AP

In an AP, the sum of first ten terms is - 150 and the sum of its next ten terms is - 550. Find the AP.

In an AP, the sum of first ten terms is -150 and the sum of its next ten terms is -550 Find the AP

In an AP,the sum of first ten terms is -150 and the sum of its next ten terms is -550 Find the AP

In and AP, the sum of the first 10 terms is -150 and sum of the next ten terms is -550. Find the AP.

In a AP of 50 terms the sum of first 10 terms is 210 and the sum of last 15 terms is 2565. Then find the AP

In an A.P. the sum of the first ten terms is 210 and thee difference between the first and the last term si 36 . Fiind the first term in the A.P.

If the sum of the first four terms of an AP is 40 and the sum of the first fourteen terms of an AP is 280. Find the sum of first n terms of the A.P.

The sum of the first 8 terms of an A.P. is 100 and the sum of its first 19 terms is 551. Find the first term and the common difference of the AP.