RejinpaulPlacement
Search

Number Series - Aptitude Questions and Answers - RejinpaulPlacement

@ : Home > Logical Reasoning > Number Series > Section - 3



Find us on Facebook



Follow us on Google+


Google+

Quick Links

Find the number that fits somewhere into the middle of the series. Some of the items involve both numbers and letters

1.
Look at this series: U32, V29, __, X23, Y20, ... What number should fill the blank?
Answer & Solution
Answer: (A) W26

Solution: In this series, the letters progress by 1; the numbers decrease by 3.
close
2.
Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?
Answer & Solution
Answer: (C) 0.6

Solution: This is a simple multiplication series. Each number is 2 times greater than the previous number.
close
3.
Look at this series: XXIV, XX, __, XII, VIII, ... What number should fill the blank?
Answer & Solution
Answer: (C) XVI

Solution: This is a simple subtraction series; each number is 4 less than the previous number.
close
4.
Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?
Answer & Solution
Answer: (A) 13

Solution: Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.
close
5.
Look at this series: J14, L16, __, P20, R22, ... What number should fill the blank?
Answer & Solution
Answer: (B) N18

Solution: In this series, the letters progress by 2, and the numbers increase by 2.
close