What does below pictogram mean?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Solve the puzzle by telling what does below picture means.

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?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Complete the table series riddle by finding the number that can replace "??".

How many triangles can you find in this given picture?

Do you see only foxes? It’s time for you to unlock the superpowers to find the baby squirrel hidden in the picture.

What jumps when it walks and sits when it stands?

John is the son of Jacob.
So,
Jacob is the_____of John's father?