Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

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?

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

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

What question can you never answer yes to?

Whats the next number in the below number sequence pattern.

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

How many words can a pen with half refill write?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

I have branches, but no fruit, trunk or leaves. What am I?