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Subject - Mathematics:

General

MCQ - 138-8870

Question:

5th term of a G.P. is 2, then the product of first 9 terms is

  1. 256
  2. 128
  3. 512
  4. 128

Correct Answer: C

Explanation:

T5 = ar4 = 2
T1 . T2 . T3 ……. T9 = (a) (ar)(ar2)
(ar3) …… (ar8) = a9 r1 + 2 + …… + 8
= [1+2+..........8+ = 8/2 (1+8) = 36
= (ar4)9 = (2)9 = 512

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504 MCQ for effective preparation of the test of General of Mathematics section.

Read the MCQ statement: 5th term of a G.P. is 2, then the product of first 9 terms is , keenly and apply the method you have learn through the video lessons for General to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 138-8870.

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