Directions (Q. 1- 5): In the following number series only one number is wrong. Find out the wrong number.

1.  3 7 16 35 72 153 312

7

153

35

72

16


2. 18 20 23 32 48 73 109

20

23

32

48

73


3. 7 4 5 9 20 51 160.5

4

5

9

20

51


4. 6 10 14 34 66 130 258

10

14

34

66

130


5. 2 7 30 138 524 1557 3102

7

30

138

524

1557


4. Population of a country increases every year by 10%. If the population in January 2006 was 15.8 lakhs, what was the population in January 2008?

19, 11,800

18, 96,000

19, 11,600

18, 94,000

None of these


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