A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Why Aeroplane windows are round?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

What has a ring but no finger?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

What is the next shape from answers A, B, C, and D figure?

Can you count the number of quadrilaterals in the picture below?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Can you tell a 3D object that has just two surfaces?