Number Series - Logical Reasoning

Find out What should come in place of the Question mark (?) in the following Number Series

Q1 : 4, 9, 19, 34, ?

A. 39
B. 54
C. 69
D. 82

Answer : B

Solution :  Add an additional 5 to each number


Q2 : 1, 6, 13, 22, 33, ?

A. 43
B. 44
C. 45
D. 46

Answer : D

Solution : Add numbers in the Series of 5,7,9,11, ...


Q3 : 5, 8, 6, 9, 7, ?

A. 10
B. 11
C. 12
D. 15

Answer : A

Solution : Each alternating number is an Addition of 1


Q4 : 2, 5, 11, 23, 47, ?

A. 63
B. 86
C. 95
D. 118

Answer : C

Solution : Numbers are added by 3*1=3, 3*2=6, 6*2=12, 12*2=24, ...


Q5 : 36, 34, 30, 28, 24, ?

A. 20
B. 22
C. 21
D. 18

Answer : B

Solution : Numbers are subtracted by 2 and 4 alternately