• Numerical Ability - Number Series
Question

3,  7,  15,  27,  63,  127,  255

  • A) 7
  • B) 15
  • C) 27
  • D) 63
  • E) 127
Solution

Answer: (C)

Explanation:

Go on multiplying the number by 2 and adding 1 to it to get the next number.So, 27 is wrong.

Answer: (C)

Explanation:

Go on multiplying the number by 2 and adding 1 to it to get the next number.So, 27 is wrong.
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