The 5 th term of an AP is 20 and the sum of its 7 th and 11th terms is 64.
(W)
The common differ... VIDEO
The 5 th term of an AP is 20 and the sum of its 7 th and 11th terms is 64.
(W)
The common difference of the AP is
(a) 4
(b) 5
(c) 3
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