# Questions 81676

You will learn 50% of the 30 questions. If I get 4 questions, I'll know 3.

## Correct answer:

Tips for related online calculators

Looking for a statistical calculator?

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Would you like to compute the count of combinations?

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

Would you like to compute the count of combinations?

### You need to know the following knowledge to solve this word math problem:

## Related math problems and questions:

- Quiz or test

I have a quiz with 20 questions. Each question has four multiple-choice answers, A, B, C, D. THERE IS NO WAY TO KNOW THE CORRECT ANSWER OF ANY GIVEN QUESTION, but the answers are static, in that if the "correct" answer to ; 1 = C, then it will always be e - Six questions test

There are six questions in the test. There are three answers to each - only one is correct. To take the exam, students must answer at least four questions correctly. Alan didn't learn, so he circled the answers only by guessing. What is the probability th - Difference 3101

The difference between the two numbers is 4/3. Specify both numbers if you know that the first number is 50% larger than the second number. - The test

The test contains four questions, with five different answers to each of them, of which only one is correct, and the others are incorrect. What is the probability that a student who does not know the answer to any question will guess the right answers to

- The pool

There is 210 l of water in the pool. If you know that the pool is 30% full, calculate how many liters of water will fit into it. - Tavarius

Tavarius scored an 85% on his math exam. If there were 20 questions on the exam, how many did he get correct? - Pedestrian 6146

A pedestrian met Street Math and asked him what time it was. "Add half the time to midnight to a quarter of the time, and you'll get the exact time." What time was it?