Directions (1 -5): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.
Q1. 280, 231, 195, 175, 154, 145, 141
(a)280
(b)175
(c)195
(d)145
(e)141
Q2. 25, 27.5, 32.5, 42, 50, 62.5, 77.5
(a)25
(b)32.5
(c)50
(d)42
(e)77.5
Q3. 3375, 169, 1331, 100, 343, 25, 27
(a)343
(b)1331
(c)27
(d)169
(e)100
Q4. 9, 5, 6, 10.5, 23, 62, 183
(a)62
(b)9
(c)183
(d)23
(e)5
Q5. 216, 36, 180, 45, 140, 67.5, 67.5
(a)36
(b)216
(c)140
(d)67.5
(e)180
Solutions
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