There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

Can you fill the blank with the correct number?

6 30 870 756030 _____

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

Can you find the thief by just looking at the picture below?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What has one eye, but can’t see?