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Complete the series 2,2,5, 13,28,....

  • 50
  • 51
  • 52
  • 53

Answer: Option C

Explanation:

\begin{aligned}
\text{Pattern is }\\
+1^2-1, +2^2-1, +3^2-1,+4^2-1 \\
5^2-1 = 28 + 24 \\
= 52
\end{aligned}

Similar Questions :

1. 11, 12, 17, 18, 23, 24, (....) . Which term will come next ?

  • 27
  • 29
  • 31
  • 33

Answer: Option B

Explanation:

Please check, given sequence is combination of two seies
[Note: Usually when terms are more than 5, then chances are there that it may contain 2 series.]

Series 1 = 11, 17, 23
Series 2 = 12, 18, 24

So there is pattern +6 in each term
Next term will be 23+6 = 29

2. Complete the series
20, 19, 17, ...., 10, 5

  • 15
  • 16
  • 13
  • 14

Answer: Option D

Explanation:

Pattern is, -1, -2, ..,.. , -5

So -3 and -4 will fill the blanks to make it a pattern.

Next number will be 17-3 = 14

3. 1, 2, 5, 12, 27, 58, 121, ?

  • 248
  • 244
  • 198
  • 190

Answer: Option A

Explanation:

Pattern in the series is *2+1, *2+2, *2+3,.....

Term which replaces the question mark in the series is
121 * 2 + 6 = 248

4. 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

5. 4, 10, (?), 82, 244, 730

  • 26
  • 28
  • 40
  • 48

Answer: Option B

Explanation:

Each number in the series is the preceding number multiplied by 3 and then decreased by 2.

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