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)?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

why number 8549176320 is one of a kind?

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

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?

Rearrange the letters in "new door" to make one word.

When it's bad luck to meet a black cat?

If an electric train is travelling south, then which way is the smoke going?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.