Instructions

Data Sufficiency: In each of the following Questions you find a question followed by two statements labelled (I) and (II). You have to decide whether these statements answer the given questions. Mark your option as

Question 189

What is the sum of the ten terms of the arithmetic progression?
(I) The first term is 10.
(II) The tenth term is 2.

Solution

Sum of "n" terms in any arithmetic progression requires knowing either/both the first term and last term of the series And/or the common difference.

Here, the first and last term of the AP are given and hence, both are needed to compute the sum.

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What is the sum of the ten terms of the arithmetic progression?(I) The first term is 10.(II) The tenth term is 2.

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What is the sum of the ten terms of the arithmetic progression?
(I) The first term is 10.
(II) The tenth term is 2.