VeritasKarishma
One mechanism can be to check the remainder with 9 only and immediately check the options.
Here remainder of 2^99 with respect to 9 is 8.
The final remainder also has to give the same remainder with respect to 9.
Only 17 is a feasible number
Cheers
Posted from my mobiledevice
...
One mechanism can be to check the remainder with 9 only and immediately check the options.
Here remainder of 2^99 with respect to 9 is 8.
The final remainder also has to give the same remainder with respect to 9.
Only 17 is a feasible number
Cheers
Posted from my mobiledevice
...







