MATH RIDDLES

There are total 20 nine's between 1 and 100. 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99. you can count total 9 in these series. Did you answer this riddle correctly?
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43. Shoe (5) + Man, two scarves and two shoes (19) times scarf (2).

19 x 2 is 38. 38 + 5 is 43. Did you answer this riddle correctly?
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12 (Twelve) has 6 letters,

6 (Six) has 3

Therefore,

10 (Ten) will be equal to 3 Did you answer this riddle correctly?
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Pi in the sky. Did you answer this riddle correctly?
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Obtuse Did you answer this riddle correctly?
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In geometry, an angle is the figure formed by two rays, called the sides of the angle, sharing a common endpoint, called the vertex of the angle. "Collided" is not a situation that applies to angles. Did you answer this riddle correctly?
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Because he spent more time dividing than conquering! Did you answer this riddle correctly?
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When you are using military time! Did you answer this riddle correctly?
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Algebra! Did you answer this riddle correctly?
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Would you like to hear my problems? Did you answer this riddle correctly?
YES  NO  

A calcu-later Did you answer this riddle correctly?
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Because she wanted to test the waters! Did you answer this riddle correctly?
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When it is full of problems! Did you answer this riddle correctly?
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Once. Next time you would be subtracting 10 from 90. Did you answer this riddle correctly?
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There is a 4% chance.

There are 16 possible ways to get 6.

0+6
1+5
2+4
3+3
6+0
5+1
4+2
9-3
8-2
7-1
6-0
1x6
2x3
6x1
3x2
6/1

There are 400 possible button combinations.

When Billy presses any number key, there are 10 possibilities; when he presses any operation key, there are 4 possibilities.

10(1st#)x4(Operation)x10(2nd#)=400

16 working combinations/400 possible combinations= .04 or 4% Did you answer this riddle correctly?
YES  NO