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Question

The first term of an A.P is 5 and its 100th term is āˆ’292, then 50th term is

A
151
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B
142
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C
144
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D
141
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Solution

The correct option is D 142
Given, a=5,a100=292
5+99d=292
99d=297
d=3
a50=a+49d
a50=5+49×(3)=142
Hence 50th term is 142

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