Classical

Mathematical Reasoning MCQ - Mathematical Reasoning

1:  

1,2,3,1,4,9,1,...27

A.

5

B.

4

C.

16

D.

8

 
 

Option: D

Explanation :

1,2,3,12,22,32,13,23,33

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p k naha said: (3:59am on Thursday 25th April 2013)
how the answer 8 comes?
geeta said: (8:27am on Thursday 16th May 2013)
how the answer 8 comes
rahul said: (5:35am on Tuesday 4th June 2013)
first 3(1,2,3) is simple no.2nd three(1,4,9) is square of 1,2,
rahul said: (5:35am on Tuesday 4th June 2013)
first 3(1,2,3) is simple no.2nd three(1,4,9) is square of 1,2,
Arun said: (9:12am on Thursday 13th June 2013)
Boss answer is 16 not 8
aswini said: (5:39am on Tuesday 4th March 2014)
Answer is 8
saroj said: (4:23am on Thursday 22nd September 2016)
8

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2:  

3,5, 9,17,33

A.

44

B.

65

C.

64

D.

49

 
 

Option: B

Explanation :

The difference between the two con- secutive terms are doubling, i.e., 2, 4,8, 16, 32. Thus 33 + 32 = 65.

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3:  

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

A.

155

B.

160

C.

170

D.

175

 
 

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

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tejinder said: (2:26am on Sunday 8th September 2013)
answer is right but explanation is wrong because 6th term=4th*7 not 5th term

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4:  

128,64,32...?

A.

33

B.

35

C.

45

D.

16

 
 

Option: D

Explanation :

16*2=32,     32*2=64,         64*2=128
Now in reverse 128/2=64,         64/2=32      so 32/2=16

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PK said: (1:26am on Saturday 16th February 2013)
16*2=32,32*2=64,64*2=128 now in reverse 128/2=64,64/2=32 so 32/2=6

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5:  

For more questions  on mathematical reasoning click here

A.

ICT Questions for NET Paper1  Click Here

B.
C.
D.
 
 

Option: A

Explanation :

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