Solution:

It can be done as shown in the picture below. Key to solving such problems is to fill the prime number first.

Solution:

The node can be connected as shown.

Solution:

A

Explanation:
Pi = 3.141592653.....
All images are related by pi value i.e "The number of straight lines on each shape corresponds to the digits of pi."

Solution:

She is near the trunk of the tree as shown below.

Solution:

Below Six Animal are marked in the picture below.

1. Rabbit
2. Alligator.
3. Camel.
4. Butterfly.
5.Cobra.
6. Deer.

Solution:

Slumdog Millionare = Slum + Dog + Million + air

Solution:

13 + 11 + 6 = 30

Explanation
The trick is that you just need to rotate '9' to form '6'.

Solution:

(C)

Solution:

12 Angry Men

Explanation:
12 (dozen = 12)
Angry (Angry Bed)
Men

Solution:

It's marked as shown below.