We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

What do you see in the image below

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

You need to remove two matchsticks to make the below equation true. Can you do it ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Can you find the hidden animal in the picture below?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?