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.

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

The Little ant seems to be always confused. Do you know why?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Below rebus represent famous DiCaprio movie. Can you name it?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

What number comes next in the series?

5 15 5 18 5 24 14 20 _