1,2,3,1,4,9,1,...27
A.  5 
B.  4 
C.  16 
D.  8 
Option: D Explanation : 1,2,3,1^{2},2^{2},3^{2},1^{3},2^{3},3^{3} Click on Discuss to view users comments. 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

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. Click on Discuss to view users comments. Diamond said: (6:17pm on Wednesday 15th November 2017)
3 2=5, 5 4=9, 9 8=17, 17 16=33, So since it is doubling I did 33 32 and that equals 65

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

128,64,32...?
A.  33 
B.  35 
C.  45 
D.  16 
Option: D Explanation :
16*2=32, 32*2=64, 64*2=128 Click on Discuss to view users comments. 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

For more questions on mathematical reasoning click here
A.  ICT Questions for NET Paper1 Click Here 
B.  
C.  
D.  
Option: A Explanation : Click on Discuss to view users comments. 