If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

How many bananas can you eat if your stomach is empty?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

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

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?