Find the number of squares in the below picture

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Be active and find the killer in the picture Riddle below.

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

Can you solve the below rebus?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Why is the Hole below a Lock?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?