What is the centre of gravity?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you identify if it's a murder or a suicide ?

What word is pronounced the same if you take away four of its five letters?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

John was piloting a plane behind a car but was never able to overtake it. Why?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

Decode this picture on T-Shirt and tell what it says ?