A) 190
B) 221
C) 236
D) 255
Correct Answer: D
Solution :
The pattern is, \[7\times 2+1=15\] \[15\times 2+1=31\] \[31\times 2+1=63\] \[63\times 2+1=127\] \[\therefore \]\[127\times 2+1=\]
You need to login to perform this action.
You will be redirected in
3 sec
