If two's company, and three's a crowd, then whats four and five ?

What do you see in the image below

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

What is the word or phrase?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

There is a place where if I stand up straight, I will still be considered sideways.

What begins with T, ends with T, and has T in it?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?