The centre of the third figure is empty. What digit should fit inside?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

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

Can you spot the man between the coffee bean in the picture below ?

I am quite hot but become too cold if you remove the first two letters. What am I?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

With the help clues provided in the image, can you find the 5 digit key?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?