I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Which is the smallest number that you can write using all the vowels exactly once?

Which English verb becomes past tense just by rearranging the letters?

Prove that twice of ten is the same as twice of eleven.

Which is faster, Heat or Cold ? Explain.

In a picnic session, a footballer was practicing. During his play, he busted lips and ears and broke ribs and thighs. However, he was still able to play a professional match on the very next day.



How can this be possible?

Find the next number in the sequence

5 12 24 36 ?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Find the next number in the following series:
6, 14, 26, 98, __?