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3, 12, 27, 48, 75, 108,

  • 141
  • 143
  • 145
  • 147

Answer: Option D

Explanation:

Series is having pattern
\begin{aligned}
3*1^2, 3*2^2, 3*3^2, ......\\
\text{Next will be } 3*7^2 = 147
\end{aligned}

Similar Questions :

1. 20, 19, 17, (...) , 10, 5

  • 16
  • 12
  • 15
  • 14

Answer: Option D

Explanation:

Pattern in the series is -1, -2, .., .. , -5

So next term will be 17 - 3 = 14

2. 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

3. 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

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, ?
what will replace the question mark in the series ?

  • 75
  • 81
  • 85
  • 89

Answer: Option B

Explanation:

Pattern is +5, +10, + 15, +20

Next number in the series will be 56 + 25 = 81

Read more from - Series Completion Questions Answers
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