Verbal Reasoning - Series Completion - Discussion
Discussion Forum : Series Completion - Section 1 (Q.No. 23)
Directions to Solve
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
23.
3, 15, ?, 63, 99, 143
Answer: Option
Explanation:
The terms of the given series are (22 - 1), (42 - 1),....., (82 - 1), (102 - 1), (122 - 1).
So, missing term = (62 - 1) - (36 - 1) = 35.
Discussion:
3 comments Page 1 of 1.
Vatsu said:
1 decade ago
3*5=15
5*7=35
7*9=63
9*11=99
11*13=143
5*7=35
7*9=63
9*11=99
11*13=143
(3)
Rashmi said:
9 years ago
Good logic @Vatsu.
(1)
Mashooq said:
7 years ago
143-99=44,
99-63=36,
63-28=35,
35-20=15,
15-12=3,
44-8=36 ;36-8=28; 28-8=20 ;20-8=12.
99-63=36,
63-28=35,
35-20=15,
15-12=3,
44-8=36 ;36-8=28; 28-8=20 ;20-8=12.
(2)
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