The 12th term of an AP is -13 and the sum of its first four terms is 24. Find the sum of its first 10 terms.

If the 12th term of an AP is -13 and the sum of its first four terms is 24, what is the sum of its first 10 terms ?

The twelfth term of an A.P. is (-13) and the sum of its first four terms is 24, find the sum of first 10 terms of the A.P.

The twelfth term of an A.P. is (-13) and the sum of its first four terms is 24, find the sum of first 12 terms of the A.P.

If 12th term of an A.P. is -13 and the sum of the first four terms is 24, what is the sum of first 10 terms ?

If 12th term of an A.P. is -13 and the sum of the first four terms is 24, what is the sum of first 10 terms ?

If the 12th term of an A.P. is -13 and the sum of the first four terms is 24, what is the sum of the first 10 terms ?

If 12 th term of an A.P.is -13 and the sum of the first four terms is 4, what is the sum of first 10 terms?

In an A.P. if the 12^(th) term is -13 and the sum of the first four terms is 24, what is the sum of the first 10 terms?

If the sum of the first 9 terms of an AP is equal to the sum of its first 11 terms, then find the sum of its first 20 terms.

If the sum of the first 9 terms of an AP is equal to the sum of its first 11 terms, then find the sum of its first 20 terms.