What you cannot hold but it is yours?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

What does below rebus means ?

Which letter of the alphabet has the most water?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

The dirtier I get, the whiter I look. Who am I?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

What is the largest number you can write with just 3 digits?