The angles of a triangle are in AP. The greatest angle is twice the least. Find all the angles of the triangle.
Split 207 into three parts such that these are in AP and the product of the two smaller parts is 4623.
Determine k so that k2+ 4k + 8, 2k2 + 3k + 6, 3k2 + 4k + 4 are three consecutive terms of an AP.
Find whether 55 is a term of the AP: 7, 10, 13,— or not. If yes, find which term it is.
If the 9th term of an AP is zero, prove that its 29th term is twice its 19th term.
Find the 20th term of the AP whose 7th term is 24 less than the 11th term, first term being 12.
The sum of the 5th and the 7th terms of an AP is 52 and the 10th term is 46. Find the AP.
The 26th, 11th and the last term of an AP are 0, 3 and -1/5 , respectively. Find the common difference and the number of terms.
Determine the AP whose fifth term is 19 and the difference of the eighth term from the thirteenth term is 20.
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