What is full of holes but still holds water?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

I travel all around the world but always stay in the corner. What am I?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Make a sentence consisting of three words that have the whole alphabet.

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

How many times can you subtract the number 5 from 25?

How can you tell a raw egg from a hard-boiled egg?