Note 1
##### Take Note:

Take a note while surfing.

##### Note With Ink

Give your Note a Colorful Tag.

##### Easy to Access

Stay on same information and in Sync wherever you are.

Note 2
##### Take Note:

Organize your information,It may take Shape.

##### Easy to Access

Easy to pull up your content from anywhere anytime.

Note 3
##### Take Note:

Don't Let information to miss,Because it take shape

##### Note With Ink

Simple an Easy Way to take a note.

##### Easy to Access

Get the same in next visit.

# Logical Reasoning :: Number Series

Home > Logical Reasoning > Number Series > General Questions

21. Find the next term of the following series.
18,24,5,21,27,8,17,23,4,24,30,?

Explanation:

18 3=21             24 3=27                5 3=8

21-4=17             27-4=23                  8-4=4

17 7=24           23 7=30                  4 7=11

Workspace

Tags:  IBM

22. Find the next term of the following series.
49,7,98, 16,4,48, 9,3,36, 25,5,?

Explanation:

The correct pattern is + 6^3, + 5^3, + 4^3, + 3^3,

So, 521 is wrong and must be replaced by (498 + 3^3) i.e. 525.

Workspace

Tags:  IBM

23. Find the next term of the following series.
3,5,2,100,4,7,3,196,1,6,5,?

Explanation:

3+5+2=10, 10^2=100

4+7+3=14,14^2=196

1+6+5=12,12^2=144

Workspace

Tags:  IBM

24. Find the number that can be put in place of the question mark.
2,6,18,54,162,486,?

Explanation:

2*3=6

6*3=18

18*3=54

54*3=162

162*3=486

486*3=1458

Workspace

Tags:  IBM

25. Find the number that can be put in place of the question mark.
4,20,35,49,62,74,?

Explanation:

4+16=20

20+15=35

35+14=49

49+13=62

62+12=74

74+11=85

Workspace

Tags:  IBM

26. Find the number that can be put in place of the question mark.
10,18,15,23,20,28,?

Explanation:

Here is no explanation for this answer

Workspace

Tags:  IBM

27. Find the number that can be put in place of the question mark.
4,10,8,14,12,18,?

Explanation:

Here is no explanation for this answer

Workspace

Tags:  IBM

28. Find the number that can be put in place of the question mark.
25 10,15,12,17,14,10,?

Explanation:

Here is no explanation for this answer

Workspace

Tags:  IBM

29. Find the number that can be put in place of the question mark.
121, 102, 84, 72, 61, 54,?

Explanation:

5.5 = 2.2 * 2.5
8 = 5.5 + 2.5
36 = 8 * 4.5
40.5 = 36 + 4.5
263.25 = 40.5 * 6.5
The next number should be: 263.25 + 6.5 = 269.75.

Workspace

Tags:  IBM

30. Find the number that can be put in place of the question mark.
764, 620, 520, 456, 400, 404,?

Explanation:

Here is no explanation for this answer

Workspace

Tags:  IBM