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?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

What is harder to catch the faster you run?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

How many triangles can you count in the figure given?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

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

Can you think of any three-dimensional shape that comprises of exactly two surfaces?