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Puzzles answered by Sergey Belov-Fishile

1 vote
There is number whose double is greater than its half by 45. Can you find the number?
answer Mar 26, 2016
0 votes
What number should replace the question mark?
answer Feb 21, 2016
1 vote
What number should replace the question mark and why?
answer Feb 21, 2016
1 vote
X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4...........
answer Feb 20, 2016
1 vote
If 3 2 = 7, 5 4 = 23, 7 6 = 47, 9 8 = 79 then 10 9 = ?
answer Feb 19, 2016
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