Directions (Qs.1 to 5): In each of the following questions a number series is given. In each series only one number is wrong that does not follow the given pattern of the series. Find out that wrong number.
Question No : 1
15 18 23 30 38 50
(1) 23
(2) 38
(3) 30
(4) 50
(5) None of these
Question No : 2
7.5, 47.5, 87.5, 157.5, 247.5, 357.5, 487.5
(1) 357.5
(2) 87.5
(3) 157.5
(4) 7.5
(5) 47.5
Question No : 3
32 16 24 60 210 946 5197.5
(1) 16
(2) 946
(3) 5197.5
(4) 32
(5) 60
Question No : 4
157 164 175 188 203 224
(1) 157
(2) 164
(3) 188
(4) 203
(5) 224
Question No : 5
10, 16, 20, 29, 45, 70, 106
(1) 10
(2) 16
(3) 29
(4) 106
(5) 70