CMAT
Exam
Numerical Ability
1, 3, 5, 9, 17, 31, __
a. 47
b. 57
c. 67
Read Solution (Total 1)
b.57
difference is
1,3=2
3,5=2
5,9=4
9,17=8
17,31=14
2+2+4=8,2+4+8=14,4+8+14=26
31,x=26
then 26+31=57
10 years ago
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CMAT Other Question
2, 5, 7, 12, 19, __
a. 27
b. 31
c. 35
d. 39
9, 18, 54, __
a. 162
b. 216
c. 270
d. 432