List of top Aptitude Questions on Number Series

Complete the series: \(3, 7, 15, 31, 63, \ldots\)

Find next number: 2, 6, 12, 20, 30, ?

Find the odd one out: \(5,\,10,\,20,\,40,\,100,\,150,\,200\).

Complete the series: \(285,\,253,\,221,\,189,\, ?\)

Find the missing number: \(2, 6, 12, 20, 30, ?\)

Find the missing number in the series: \(2, 6, 12, 20, 30, ?\)

Which of the boxes from the given alternatives comes next in the sequence?
[ L ] [ m ] [ | ] [ J ] [ ? ]

Choosing from options A, B, C, D, E — which figure will come next in the series?

Choosing from options A, B, C, D, E — which figure completes the series below?

DIRECTIONS for the question: In the following question, identify the figure which completes the pattern formed by the problem figures.

DIRECTIONS for the question: In the following question, two are the problem figures and the remaining are the answer figures. Identify the correct figure which continues the series.

DIRECTION for the question: In the following question, identify the figure that completes the series formed by the problem figures.

DIRECTION for the question: In the following question, two are the problem figures and the remaining figures are the answer figures. Find the figure which will complete the series.

Complete the series:
10000, 11000, 9900, 10890, 9801, ?

Find the next term in the series:
4, 6, 12, 14, 28, 30, _ _

Complete the series by filling the blank with the suitable alternative.
CMM, EOO, GQQ, _ _ , KUU

Look at this series: 8, 43, 11, 41, _ _ , 39, 17, _ _ What number should fill in the blank?

Look carefully for the pattern, and then choose which pair of numbers comes next.
13 29 15 26 17 23 19 _ _ _ _

Look carefully for the pattern, and then choose which pair of numbers comes next.
28 25 5 21 18 5 14 _ _ _ _

DIRECTIONS for the question: In the following question, an alphabet series is given with term/s missing. Choose the correct alternative to replace the question mark in the given series. ADVENTURE, DVENTURE, DVENTUR, ?, VENTU

DIRECTIONS for the question: In the following question there is a certain relationship between two given numbers. 121 : 12 :: 25 : ?

DIRECTIONS for the question: In the following question there is a certain relationship between two given numbers. 3 : 11 :: 7 : ?

DIRECTIONS for the question: In the following question, one term in the number series is wrong. Find out the wrong term.
196, 169, 144, 121, 101

DIRECTIONS for the question: In the following question, a letter-number series is given, with one or more terms missing as shown by (?). Choose the missing term out of the given alternatives.
2Z5, 7Y7, 14X9, 23W11, 34V13, ?

DIRECTIONS for the question: In the following question, an alphabet series is given with term/s missing. Choose the correct alternative to replace the question mark in the given series.
A, CD, GHI, ?, UVWXY