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Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?

  • 25
  • 26
  • 27
  • 28

Answer: Option A

Explanation:

Please look carefully at the series, its pattern is,
-1, +2, -1, +2, -1, so next will be +2
23+2 = 25

Similar Questions :

1. Complete the series
1,6,13,22,33,...

  • 46
  • 48
  • 49
  • 51

Answer: Option A

Explanation:

Pattern is +5, +7, +9, +11
So next number will be +13
=> 33+13 = 46

2. 21,25,33,49,81, ?

  • 140
  • 145
  • 147
  • 159

Answer: Option B

Explanation:

Pattern is, +4, +8, +16, +32, so next will be +64
81+64 = 145

3. 1,2,6,24, ?

  • 110
  • 118
  • 120
  • 122

Answer: Option C

Explanation:

Pattern is *2, *3, *4
So next number is the series will be *5
24*5 = 120

4. Complete the series 95, 115.5, 138, ..., 189

  • 160.5
  • 162.5
  • 164.5
  • 166.5

Answer: Option B

Explanation:

Pattern in the series is, +20.5 , +22.5,
Next will be +24.5
138 + 24.5 = 162.5

5. 6, 11, 21, 36, 56, ... ?

  • 81
  • 83
  • 95
  • 105

Answer: Option A

Explanation:

Pattern is +5, +10, +15, + 20. So next will be 56+25 = 81

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