What is the centre of gravity?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Find the next number in the sequence

5 12 24 36 ?

What does this say?

XLR8

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Why is the Hole below a Lock?