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.

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

When it is alive we sing, when it is dead we clap our hands. What is it?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What two things can you never eat for breakfast?

What does this mean?

CCCCCCC

What is full of holes but still holds water?

Can you make a six-letter word using the letters N, A and B ?