The 16th term of an AP is 5 times its 3rd term. If its 10th term is 41, find the sum of its first 15 terms.

The 13^(th) term of an AP is 4 times its 3^(rd) term. If its 5^(th) term is 16 then the sum of its first ten terms is

The 19th term of an AP is equal to 3 times its 6th term. If its 9th term is 19, find the AP.

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 10^(th) term of an A.P. is 1/5 and its 20^(th) term is 1/3 , then the sum of its first 150 terms is:

If the 10^(th) term of an A.P. is 1/5 and its 20^(th) term is 1/3 , then the sum of its first 150 terms is:

The 9th term of an AP is equal to 6 times the second term. If its 5th term is 22 find the AP.

The 9th term of an A.P. is equal to 6 times its second term. If its 5th term is 22, find the A.P.

The 19th term of an A.P. is equal to three times its 9th term.If its 9th term is 19, find the A.P.

The sum of the 4th and the 8 the terms of an AP is 24 and the sum of its 6th and 10th terms is 44. Find its first term.