Click to Get updated NTA UGC NET CS Test Series           Study Material for UGC NET Computer Science- 2019

# Number Series - Number series MCQ

26:

12,32,72,152,(?),632

 A. 815 B. 613 C. 515 D. 312 Answer Report Discuss Option: D Explanation : 32-12=20,72-32=40,152-72=80 and so on. It means difference are doubling as 20,40,80,160,320 etc. it otherwise means the required number will be 152+160=312 and 312+320=632 Click on Discuss to view users comments. Write your comments here:
27:

41,14,53,35,73...

 A. 72 B. 27 C. 37 D. 13 Answer Report Discuss Option: C Explanation : Evry second number is reverse of the first e.g.41=14,53=35 and 73=37 Click on Discuss to view users comments. Write your comments here:
28:

128,64,32...?

 A. 16 B. 30 C. 8 D. 4 Answer Report Discuss Option: A Explanation : Each next number is half of the preceding one Click on Discuss to view users comments. Write your comments here:
29:

(?),19,37,61,91,127,169

 A. 17 B. 13 C. 11 D. 7 Answer Report Discuss Option: D Explanation : The difference between seventh and sixth is 42, Difference between sixth and fifth is 36, Difference between fifth and fourth is 30, between IVth and IIIrd is 24, between IIIrd and second is 18. It menas the difference atr in the increasing order of 12,18,24,30,36 and so on and the first term will be 19-12=7 Click on Discuss to view users comments. Write your comments here:

X