Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
36.
2,2,5, 13,28,?
A. 49 B. 50
C. 51 D. 52
Answer & Explanation
Answer: Option D
Explanation:
The pattern is + 0, + 3, + 8, + 15, ….. i.e. + (l2 – 1), + (22 – 1), + (32 – 1), + (42 – 1), …..
So, missing term = 28 + (52 – 1) = 28 + 24 = 52.
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37.
0, 2, 8, 14, ?, 34
A. 20 B. 23
C. 24. D. 25
Answer & Explanation
Answer: Option C
Explanation:
The pattern is + 2, + 6, + 6, + 10, + 10,…..
So, missing term = 14 + 10 = 24.
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38.
1, 5, 14, 30, 55, 91, ?
A. 130 B. 140
C. 150 D. 160
Answer & Explanation
Answer: Option B
Explanation:
The pattern is + 4, + 9, + 16, + 25, + 36, ….. i.e. + 22, + 32, + 42, + 52, + 62,…..
So, missing term = 91 + 72 = 91 + 49 = 140.
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39.
In the series 10, 17, 24, 31, 38,…..which of the following will be a number of the series ?
A. 48 B. 346
C. 574 D. 1003
Answer & Explanation
Answer: Option B
Explanation:
The given series consists of numbers each of which, on dividing by 7, leaves a
remainder 3. No other number except 346 satisfies the property.
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40.
240, ?, 120, 40, 10, 2
A. 180 B. 240
C. 420 D. 480
Answer & Explanation
Answer: Option B
Explanation:
The pattern is ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5.
So, missing term = 240 ÷ 1 = 240.