The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/...
Question
The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.
- 10 : 33
- 2 : 9
- 8 : 29
- 6 : 21