12,32,72,152,(?),632
A. | 815 |
B. | 613 |
C. | 515 |
D. | 312 |
Option: D Explanation :
32-12=20,72-32=40,152-72=80 and so on. Click on Discuss to view users comments. |
41,14,53,35,73...
A. | 72 |
B. | 27 |
C. | 37 |
D. | 13 |
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. |
128,64,32...?
A. | 16 |
B. | 30 |
C. | 8 |
D. | 4 |
Option: A Explanation : Each next number is half of the preceding one Click on Discuss to view users comments. |
(?),19,37,61,91,127,169
A. | 17 |
B. | 13 |
C. | 11 |
D. | 7 |
Option: D Explanation :
The difference between seventh and sixth is 42, Click on Discuss to view users comments. |