If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

They are three errirs in this question. Can you find them?

Can you find out the remainder when 3^300 is divided by 5?

Count the number of lines in the image below ?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

In the four images below, can you find the odd one out?

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?