Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

I have branches, but no fruit, trunk or leaves. What am I?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?