You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

I throw two dice simultaneously.

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

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What has a bottom at the top?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Which alphabet letter is a question?

What does the below image rebus riddle means ?

why number 8549176320 is one of a kind?