Question

7, 16, 36, 78, 144, ?

which number come in place of question mark
A) 168
B) 196
C) 222
D) 256

Answer 1

7, 16, 36, 78, 144, ?

which number come in place of question mark
A) 168
B) 196
C) 222
D) 256

Answer: C) 222

Explanation:

7 16 36 78 144 ?

16 - 7 = 9

36 - 16 = 20

78 - 36 = 42

144 - 78 = 66

? - 144 = 222


Hence, 7 16 36 78 144 222

Answer 2

 7, 16, 36, 78, 144, ?

which number come in place of question mark

A) 168B) 196C) 222D) 256

Answer:   C) 222