What number should come in place of the question mark below?

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?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

What does the below rebus riddle means?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

No matter how little or how much you use me, you change me every month. What am I?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?