The sum of first 10 terms of an ap is -150 and the sum of its next 10 terms is -550 . Find the ap.

The sum of first 10 terms of an ap is -150 and the sum of its next 10

1.	The sum of first 10 terms of an ap is -150 and the sum of its next 10 terms is -550 . Find the ap.
Answer» Minus 700