`-15-27-88-63+255= ?`

3,7,15,27,63,127,255(a)7quad (b) 15 (c) 27quad (d)63 (e) 127

In each of the following questions, one term in the number series is wrong. Find out the wrong term. 1, 3, 7, 15, 27, 63, 127 1)7 2) 15 3) 27 4) 63

sec 255^(@)=

3, 7, 15, 39, 63, 127, 255, 511 (a) 7 (b) 15 (c) 39 (d) 63 (e) 127

1, 3, 7, 15, 27, 63, 127

15, 31, 63,127, 255, (......) (a) 513 (b) 511 (c) 517 (d) 523

|[29, 26, 22], [25, 31, 27], [63, 54, 46]|