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AIEEE 2012 Solutions Q41 (Mathematics) (Code-B)

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Published on Apr 29, 2012

60. If 100 times the 100th term of an AP with non zero common difference equals the 50 times its 50th term, then the 150th term of this AP is :
(1) 150 (2) zero
(3) --150 (4) 150 times its 50th term
Sol. (2)
100(a + 99d) = 50(a + 49d)
50a + (149 × 50)d = 0
a + 149 d = 0

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