What 5-letter word typed in all capital letters can be read the same upside down?

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

Can you count the number of blocks in the picture below?

What has a bottom at the top?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

By what process could you make a 'Tea-Table' into food?

How can you make number one disappear by adding something to it?