The more of this there is, the less you see. What is it?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

O_er_t_o_

Complete the missing letters of the given word.

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

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

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Can you solve this picture maths equation?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What word begins and ends with an E, but has only one letter?