" (ii) "1+5+13+29+61+

In each of the following questions , identify the wrong number in the series . 5, 13, 29, 61, 120, 253

1 5 13 29 ? 125 253

Find the n term and the sum to n terms of the sequence: ( i ) 1+5+13+29+61+......

Find the nth term and the sum to n terms of the sequence: (i) 1+5+13+29+61+.......

In the following number series only one is wrong. Find out the wrong number. 1, 5, 13, 31, 61, 125, 253

Find the sum of n terms of the following series : 1+5+13+29+61+ ......

1, 5, 13, 25, 41, 61, ____

Find the range and coefficient of range of the following data. (i) 63,89,98,125,79,108,117,68 (ii) 43.5,13.6,18.9,38.4,61.4,29.8

Name the property under multiplication used in each of the following. (i) (-4)/5 xx 1 = 1 xx (-4)/5 (ii) (13)/(17) xx (-2)/7 = (-2)/7 xx (-13)/(17) (iii) (-19)/(29) xx (29)/(-19) =

Find the missing number in the given series. 5, 10, 13, 26, 29, 58, 61, ?