How many different 20 question examinations can be formed from a test bank containing 30 questions?
1 Expert Answer Hi Em! Assuming that the order matters (for example, that a test is considered to be different if a certain question is placed first rather than last), then we can just multiply numbers together like this: 20 * 19 * 18 * 17 * 16 = 1,860,480 different tests.
How many ways can a student answer a multiple choice test if there are 10 questions each 4 options and the student is able to leave each question blank?
410 ways
a) In how many ways can a student answer the questions on the test if the student answers every question? Here, there are 4 choices per question, and 10 questions. Choosing an answer for each question is a sequential task, so there are 4 × 4 × 4 × 4 × 4 × 4 × 4 × 4 × 4 × 4=410 ways to answer.
How many different answer keys are possible for a 15 question True False test?
So there are 2^15 ways to answer 15 true false questions. There are 4^5 ways to answer 5 multiple choice questions. Multiply those together and you get (2^15)(4^5) or 2^25 or 33,554,432 different ways to answer the exam.
How many possible answer sheets are there?
1 Expert Answer There are 7 multiple-choice questions, and each of these has 5 possible answers, so there are 57 different combinations of answers to these questions. So there are 2757 = 107 = 10,000,000 different possible answer sheets.
How long should a 20 question quiz take?
about 30 minutes
Option 1. If the exam is worth, say, 100 marks, you have just over 1½ minutes per mark. For example, a 20-mark question should take about 30 minutes.
How many ways can you answer a multiple choice question with ABC and D answers when selecting all that can apply?
Each question can be answered in 4 ways.
How many ways can you answer 10 multiple choice questions when each question has 4 holes to tick?
How many ways to answer 10 multiple choice questions, when each question has 4 holes to tick. Assume that only 0 or 1 hole may be ticked. The answer is 510, because we include the pos- sibilities of not ticking questions.
How many ways can a student guess the answer to a 10 item true or false examination?
Extending this to ten questions, there are 210 ways to answer all ten questions, 10×29 for answering all but one question, 45×28 ways of answering all but two questions, etc, giving a total of (2+1)10=310.
How many ways can 10 true false questions be replied?
Required number of ways are 210=1024, because every question may be answered in 2 ways.
How many multiple choice questions are there in one hour?
The Statistics test allows students one hour to answer 14 items each with stems of five or six sentences in length. Each item involves answering a number of embedded questions (3 to 8 questions in each). Guessing is not necessarily a problem.
What is the world’s hardest question?
The hardest question ever asked: What is truth?
- Science is based on the correspondence theory of truth, which claims that truth corresponds with facts and reality.
- Various philosophers have put forth substantive challenges to the truth claims made by science.
How do I enter the number of questions/points/problems a student got wrong?
Enter the number of questions/points/problems in the student’s work (test, quiz, exam – anything). Assume you’ve prepared the test with 18 questions. Type in the number the student got wrong. Instead – if you prefer – you can enter the number of gained points. Let’s say our exemplary student failed to answer three questions.
How many ways can a question be answered true/false?
There are 2 2 ways in which both questions may be answered true/false. If a student does not answer question 1, there are still 2 1 ways in which they can answer question 2, and vice versa. Thus there are 2 × 2 1 ways in which only one question is answered.
How many possibilites can a student choose from for each question?
If the answer has to be 3 10, then this means that in case (b) it is intended that for each question the student can choose 1`out of 3 possibilites: true, false, not telling. In part b), for simplicity, let’s reduce the problem to just two questions.
How do you play the game of 20 questions?
Now, for those of you who have never experienced the thrilling game of 20 questions, it’s usually when you’re texting someone and the “what’s up nothing you?” conversation is lacking. The game is as simple as it sounds. You ask a person a question, they answer, then they ask you.