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Which term of the A.P. 5, 2, -1, ....... is -22?(A) 9 (B) 11 (C) 10 (D) 7 |
Answer» The correct option is: (C) 10 Explanation: Given A.P. is 5, 2, -1 , ...... => a = 5, d = 2 - 5 = -3 Tn = -22 = a + (n-1)d = -22 => 5 + (n- 1) (-3) = -22+ n = 10 Hence, 10th term of the given A.P is -22. |
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