Number Series - Number series MCQ

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21:  

4,3,12,9,2,18,3, ...21

A.	5
B.	4
C.	3
D.	7
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	Option: D Explanation : 4x3=12, 9x2=18 and 3x7=21 Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

22:  

78,65,75,62,72...?

A.	61
B.	65
C.	64
D.	59
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	Option: D Explanation : There are two series78,75,72 and 65,62,59 Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

23:  

6,5,24,25,144,(?)

A.	155
B.	160
C.	170
D.	175
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	Option: D Explanation : IIIrd term is=Ist termx4,i.e.,6x4=24 IVth term is =IInd term x 5,i.e,5x5=25 Vth term is = IVth termx7,i.e.,25x7=175 Multipliers are in the increasing order of 4,5,6,7, etc Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

24:  

60,30,120,15,240?

A.	30
B.	120
C.	240
D.	7 1/2
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	Option: D Explanation : there are two seriee=s 60,120,240 and 30,15,7 1/2 etc. The terms in the first series are doubling and in the IInd they are being halved Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

25:  

6,24,60,120,336,(?)

A.	270
B.	240
C.	210
D.	336
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	Option: D Explanation : There are three groups in the series 6 ---24,60,---120 and 366---366 and ratios are 1:4, 1:2 and 1:1 Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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