Deepak has a brother Anil. Deepak is the son of Prem. Bimal is Prem’s father. In terms of relationship, what is Anil of Bimal?

E is the son of A, D is the son of B. E is married to C. C is B’s daughter. How is D related to E?

A man is facing north-west. He turns 90° in the clock-wise direction and then 135° in the anti-clockwise direction. Which direction is he facing now?

A positive number which when added to $1000$ gives a sum which is greater than that when it is multiplied by $1000$ The positive number is:

Three big drums contain $36 litres, 45 litres and 72 litres$of oil. What is the biggest measure that can measure all the different quantities exactly?