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13, 35, 57, 79, 911, ?

  • 1005
  • 1110
  • 1113
  • 1140

Answer: Option C

Explanation:

The terms of the given series are numbers formed by joining together consecutive odd numbers in order i.e. 1 and 3, 3 and 5, 5 and 7, 7 and 9, 9 and 11, .....

So, missing term = number formed by joining 11 and 13 = 1113.

Similar Questions :

1. Complete the series, 3, 8, 13, 24, 41, ?

  • 70
  • 66
  • 64
  • 62

Answer: Option A

Explanation:

Pattern of the above series is
first + second + 2, second + third + 3, third + fourth + 4......
So next term will be
24 + 41 + 5 = 70

2. 36, 34, 30, 28, 24, ... What number should come next?

  • 22
  • 20
  • 18
  • 16

Answer: Option A

Explanation:

Pattern in the series is, -2, -4, -2, -4. So next term will be -2
24 -2 = 22

3. 2,5,9,?,20,27, what will replace the question mark ?

  • 13
  • 14
  • 15
  • 16

Answer: Option B

Explanation:

Pattern is +3,+4,..,..,+7, so +5 and +6 will be in the blanks

Question mark will be replaced by 9+5 = 14

4. 1,6,15,(...),45,66,91

  • 26
  • 28
  • 29
  • 34

Answer: Option B

Explanation:

Pattern in the series is, +5, +9, .., .., +21, +25
So 4 is getting increased at every term addition.
Missing term in the series will be 15+(9+4)
= 15+13 = 28

5. 8, 9, 8, 7, 10, 9, 6, 11, 10, (...), 12

  • 7
  • 6
  • 5
  • 4

Answer: Option C

Explanation:

Please note that above sequence is containing 3 series
Series 1 : 8, 7, 6, (..)
Series 2 : 9, 10, 11, 12
Series 3 : 8, 9, 10

In series 1 pattern is -1. So missing term will be 6-1 = 5

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