Ques:- Find out the wrong number in a given series.
3, 7, 15, 39, 63, 127, 255, 511
3, 7, 15, 39, 63, 127, 255, 511
A. 7
B. 15
C. 39
D. 67
Ques:- The sum of the greatest and smallest number of five digits is
A. 10,999
B. 109,999
C. 11,110
D. 111,110