I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What do you get if you add 2 to 100 four times?

You can see three almost identical images below. Can you spot the odd one out from them?

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?

what does the below rebus mean?

Count the number of balls in picture below:

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?