The 17th term of an A.P. is 5 more than twice its 8th term.

The 17th term of an A.P. is 5 more than twice its 8th term. If the 11th term of the A.P. is 43, then find the wth term.

Solution:

The 19th term of an A.P. is equal to three times its 6th term. If its 9th term is 19, find the A.P.

Solution:

More Solutions:

• The nth term of an A.P. cannot be n² + n + 1.
• Find the sum :
• How many terms of the A.P. -6, (-11/2), (-5), …..
• Find the sum of first 20 terms of this A.P.
• The sum of the first 14 terms of an A.P. is 1505 and its first term is 10.
• The sum of first n term of an A.P. is 3n² + 4n.