Which number will replace the question mark (?) in the following series?
7, 11, 18, 29, ?, 76
$$7\times\ 2-3=11$$
$$11\times\ 2-4=18$$
$$18\times\ 2\ -\ 7=29$$
$$29\times\ 2-11=47$$
$$47\times\ 2\ -\ 18=76$$
Here option 'A' is correct.
Create a FREE account and get: