The sum of the first five terms and the sum of the first ten terms of an AP are same. Which one of the following is the correct statement ?

The sum of the first 5 terms and the sum of the first 10 terms of an AP are same.Which one of the following is the correct statement? (a) The first term must be negative (b) The common difference must be negative (c) Either the first term or the common difference is negative but not both (d) Both the first term and the common difference are negative

The sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum first ten terms of this AP is 235, find the sum of its first twenty terms.

The sum of the first five terms of an AP and the sum of the first seven terms of the same AP is 167. If the sum first ten terms of this AP is 235, find the sum of its first twenty terms.

The sum of the first five terms of an A.P. and the sum of the first seven terms of the same A.P. is 167. If the sum of first 10 terms of this A.P. is 235, find the sum of its first twenty terms.

The sum of the first ten terms of the A.P. 15,10,5,….is……

If the sum of the first four terms of an AP is 40 and the sum of the first fourteen terms of an AP is 280. Find the sum of first n terms of the A.P.

The sum of the first five terms of an AP and the sum of the first seven terms of theits first twenty terms.same AP is 167. If the sum of the first ten terms of this AP is 235, find the sum of first twenty terms

The sum of the first p terms of an A.P. is q and the sum of the first q terms of the same A.P. is p. Find the sum of the first (p+q) terms of the A.P.