Can you solve this riddle?
Tricky Riddle on measuring water in cup
If you have these two glasses and an endless supply of water, How can you measure out 6 cups of water into the bigger one without approximating?
If you cannot solve it then here is answer for you.
 Fill big glass now it has 9 cups of water
 Fill small glass using big glass water and through water once full, finally you will have 1 cup of water left in it.
 Repeat step 1 and 2. Now you will have 2 cup of water left in small glass.
 Repeat step 1 and 2. Now you will have 3 cup of water left in small glass.
 Repeat step 1 and 2. Now you will have 4 cup of water left in small glass, don’t through it but drop this water in big glass.

Big Glass 
Small Glass 
Step 1 
9

0

Step 2 
0

1

Step 3 
9

1

Step 4 
0

2

Step 5 
9

2

Step 6 
0

3

Step 7 
9

3

Step 8 
0

4

Step 9 
4

0

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