Keyboard words are not in alphabetical order, Why?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

10+10 and 11+11 can give you the same answer.

Explain how?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

I am the fastest animal but cannot climb the tree. What am I?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

What does this rebus puzzle means ?

Which digit occurred maximum times between the number 1 and 1000?

Can you count the number of triangles in the given picture?