" The sum "1+3+7+15+31+cdots" to "100" terms is "

The largest term common to the sequences 1, 11, 21, 31, cdots to 100 terms and 31, 36, 41, 46, cdots to 100 term is

The sum 1+3+7+15+31+... to 100 terms is 2^(100)-102b b.2^(99)-101 c.2^(101)-102 d.none of these

The sum of i-2-3i+4 cdots upto100 terms where i= sqrt(-1) is

The sum 1+3+7+15+31+...to100 terms is a. 2^(100)-102 b. 2^(99)-101 c. 2^(101)-102 d. none of these

The sum 1+3+7+15+31+...to100 terms is 2^(100)-102 b b. 2^(99)-101 c. 2^(101)-102 d. none of these

The sum 1+3+7+15+31+...to100 terms is a. 2^(100)-102 b. 2^(99)-101 c. 2^(101)-102 d. none of these

The sum 1+3+7+15+31+...to100 terms is 2^(100)-102 b b. 2^(99)-101 c. 2^(101)-102 d. none of these