100 Most Frequently Asked Simple Question Answer Basics Question Answers Simpled Question

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.

In an entrance test, there are multiple choice questions. There are four possible answers to each question, of which one is correct. The probability that a student knows the answer to a question is 90%. If the gets the correct answer to a question, then find the probability that he was guessing.

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There are 10 true-false questions in an examination. Then these questions can be answered in

Observe the figure and answer the question. Mark i

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

In an exam , 3.5 points are awarded for evey correct answer and 0.45 points are deducted for every wrong answer. If out of N question , a boy answers at least 4 questions wrong and at most 8 questions wrong ,which of the following correctly gives the correct range of score ,S, he can get in the exam ?

A test contains 10 true/false questions. A correct answer is awarded 2 marks, a wrong answer -1 and a question not answered is awarded 0. A student attempts 7 questions and gets 8 marks. How many questions did the student answer correctly?