Why do we preferably have round manhole covers and not square ones?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Can you place three balls such that the equation shown in the picture holds true?

Can you count the number of squares in the given picture?

Different lights make me strange by changing me into different sizes. What am I?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?