A teacher awards two marks for every correct answer and subtracts a mark for every wrong answer in an examination. If there were 20 questions and a child scored 25 marks, how many correct answers did the child get?
Did you find an error or inaccuracy? Feel free to write us. Thank you!
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
Tips for related online calculators
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
Tavarius scored an 85% on his math exam. If there were 20 questions on the exam, how many did he get correct?
- Test points
A test has 20 questions. The test awards 3 points if the answer is correct and takes away 1 point if the answer is incorrect. A student answered five questions incorrectly. How many points did the student earn?
The teacher prepared a test with ten questions. The student can choose one correct answer from the four (A, B, C, D). The student did not get a written exam at all. What is the probability that: a) He answers half correctly. b) He answers all correctly. c
- Petra's test
The teacher will give a correct answer score of eight points, and the wrong answer will be deducted three points. The total score obtained by the school is 36 points. If Petra answered six questions correctly, how many questions were answered incorrectly
- Math test
Obelix filled out a mathematical test in which he answered 25 questions. For every correct answer, he received 5 points. For each wrong answer, he had 3 points deducted. Obelix gained 36% of all points in the test. How many questions did he solve correctl
- Intelligence test
Paľo, Jano, Karol, and Rišo were doing an intelligence test. Palo correctly answered half of the questions plus seven questions, Jano to a third plus 18 questions, Karol to a quarter plus 21 questions, and Risho to a fifth plus 25 questions. After the tes
After the history test, Michaella discovered that the ratio of her correct and incorrect answers is 5: 3. How many correct answers did Michaella have in the test if she had six wrong answers?
- Incorrectly 7492
The test has 50 questions. Four points are counted for each correct answer, 3 points are deducted for an incorrect answer, and 2 points are deducted for an unanswered question. Peter scored 108 points on the test but answered only 6 questions. How many qu
- Students 5905
There were 21 pupils in the class, and the teacher gave the mark one to 3 pupils, mark two to 5 pupils, mark three to 8 pupils, mark four to 4 pupils, and five to 1 pupils. How many percent of students received a grade better than three?
- 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
- 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
- Pass a test
The student has to pass a test that contains ten questions. For each of them, he chooses one of 5 answers, with just one being correct. The student did not prepare for the test, so he randomly chose the answers. What are the probabilities that the student
The tested student answered correctly on a 4/ 8 question. The wrong answer was 16. How many questions were answered?
- The Chemistry test
The Chemistry test contained eight questions, each with 3 points. Peter scored 21 points. How many percent did Peter write a test?
- Vinegar 2
How many percentages of vinegar solution will we get if we mix 3.5 liters of 5.8% and 5 liters of 7.6% vinegar?
- Distribution 5016
You have a test with eight questions, where you can choose from 3 answers for each question, and one answer is always correct. The probability that we answer 5 or 6 questions correctly when randomly filling in (that is, we all guess the answers) is ……. Th
- Mary solved
Mary solved six out of ten problems correctly in mathematics. What is the ratio of the number of correct answers to the number of wrong answers? Show the solution.