Brain Teasers/Puzzle No 5-8

February 14th, 2009 Comments off
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Earlier article on brain teasers/puzzle no 1to 4, append below more puzzles ( no 5 -8) to test your brain power:

[ click here for ANSWERS]

Puzzle No. 5

What is the missing number?

4

5

5

3

6

1

6

?

Puzzle No 6

What is the missing number?

1234

5411

6231

2074

160?

Puzzle No. 7

What is the missing number?

15

18

20
21

24

?

Puzzle No. 8

What is the missing number?

4

5

7

11

19

?

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