Logical Reasoning

Logical Sequence

Conceptual

Find the number that can replace the question mark in the series given below: 15, 18, 17, 21, 20, 25, 24, 30, 29, ?

✅ Correct Option: 2

The series follows successive addition in alternate terms

$18+3=21$

$21+4=25$

$25+5=30$

So the next term should be $30+6=36$

JIPMAT 2026

In the following letter series,

PMT, OOS, NQR, MSQ, ? , .......

identify the next term (?) among the following alternatives:

JIPMAT 2023

The main statement is followed by four answers. Select the one that logically follows from the main statement: 'If the game is interesting, then I play it.'

JIPMAT 2026

Match the LIST-I with LIST-II

	LIST-I (Series)		LIST-II (Missing term)
A.	5, 6, 9, 15, ?, 40	I.	31
B.	1, 2, 3, 6, 9, 18, ?, 54	II.	39
C.	2, 3, 3, 5, 10, 13, ?, 43, 172, 177	III.	25
D.	3, 7, 15, ?, 63, 127	IV.	27

JIPMAT 2023

The numbers in the figure below have certain logic/pattern. Using that logic/pattern, find out the number that can be inserted in place of '?'.

JIPMAT 2021

The odd term out in the series 15, 16, 34, 105, 424, 2124, 12756 is

JIPMAT 2022

The numbers in the figure below have been generated using certain logic/pattern. Using that logic/pattern, find out the number that can be inserted in place of ?

Find the number that can replace the question mark in the series given below: 15, 18, 17, 21, 20, 25, 24, 30, 29, ?

Solution

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