Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
26.
2,15,41,80,?
A. 111 B. 120
C. 121 D. 132
Answer & Explanation
Answer: Option D
Explanation:
The pattern is + 13, + 26, + 39,…..
So, missing term = 80 + 52 = 132.
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27.
6, 11, 21, 36, 56, ?
A. 42 B. 51
C. 81 D. 91
Answer & Explanation
Answer: Option C
Explanation:
The pattern is + 5, + 10, + 15, + 20, …
So, missing term = 56 + 25 = 81.
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28.
563, 647, 479, 815, ?
A. 672 B. 386
C. 279 D. 143
Answer & Explanation
Answer: Option D
Explanation:
The pattern is + 84, – 168, + 336,…..i.e. + 84, – (84 x 2), + (84 x 22), …..
So, missing term = 815 – (84 x 23) = 815 – 672 = 143.
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29.
13, 35, 57, 79, 911, ?
A. 1110 B. 1112
C. 1113 D. 1315
Answer & Explanation
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.
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30.
1, 4, 10, 22, 46, ?
A. 64 B. 86
C. 94 D. 122
Answer & Explanation
Answer: Option C
Explanation:
The pattern is + 3, + 6, + 12, + 24,…..
So, missing term = 46 + 48 = 94.