RejinpaulPlacement
Search

Number Series - Aptitude Questions and Answers - RejinpaulPlacement

@ : Home > Logical Reasoning > Number Series > Section - 2



Find us on Facebook



Follow us on Google+


Google+

Quick Links

Look carefully for the pattern, and then choose which pair of numbers comes next.

1.
10 20 25 35 40 50 55
Answer & Solution
Answer: (A) 65 70

Solution: This is an alternating addition series, in which 10 is added, then 5, then 10, and so on.
close
2.
1 10 7 20 13 30 19
Answer & Solution
Answer: (C) 40 25

Solution: Here, every other number follows a different pattern. In the first series, 6 is added to each number to arrive at the next. In the second series, 10 is added to each number to arrive at the next.
close
3.
40 40 31 31 22 22 13
Answer & Solution
Answer: (A) 13 4

Solution: This is a subtraction series with repetition. Each number repeats itself and then decreases by 9.
close
4.
4 8 22 12 16 22 20 24
Answer & Solution
Answer: (D) 22 28

Solution: This is an alternating repetition series, with a random number, 22, interpolated as every third number into an otherwise simple addition series. In the addition series, 4 is added to each number to arrive at the next number.
close
5.
9 12 11 14 13 16 15
Answer & Solution
Answer: (A) 18 17

Solution: This is a simple alternating addition and subtraction series. First, 3 is added, then 1 is subtracted, then 3 is added, 1 subtracted, and so on.
close