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

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?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

What is black when you buy it, red when you use it, and gray when you throw it away?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

It is always ahead of me yet I can never see it. What is it?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

How can you write nineteen in a manner that if we take out one, it becomes twenty?