Quantitative Aptitude Ques 1701

Question: Directions: What will come in place of question mark (?) in the following number series? [RBI (Clerk) 2015]

$ 1338, $ $ 447, $ $ 150, $ $ 51, $ $ 18,? $

Options:

A) 7

B) 6

C) 9

D) 10

E) 11

Show Answer

Answer:

Correct Answer: A

Solution:

  • We have, $ 1338\div 3+1=447 $ $ 447\div 3+1=150 $ $ 150\div 3+1=51 $ $ 51\div 3+1=18 $ So, at the place of $ ?=18\div 3+1 $ $ =6+1=7 $
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