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Question

If the first term of an AP is 12 and the common difference is -2, then term of the AP will be 0.

A
6th
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B
7th
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C
10th
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D
12th
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Solution

The correct option is B 7th
Given first term(a) = 12 and common difference(d) = -2.
Let the term of the AP which is equal to 0 be the nth term.
a+(n1)d=0
12+(n1)(2)=0
12+22n=0
n=7
Hence, the value of 7th term will be 0.

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