What does below pictogram mean?

Can you find the missing piece of the Porsche?

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

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

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?

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

Can you guess the name of the month by looking the below rebus ?

Can you replace the question mark with the correct number?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.