10th Exam English Viral Question Bihar Board Exam | by Ranjan sir

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12th English Answer Key 2022 Set-A to J | English Objective Answer Key 2022 Bihar Board

The means and standard devation of the marks of 200 candidates in half early exam were found to be 40 and 15 respectively. The marks of the candidates exceeds their marks by 10 in final exam. The mean and standard deviation of the marks in final exam are respectively ?

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 national math examination has 4 statics problems. The distribution of the number of students who ansered the question correctly is shown in the chart. If 400 students took the exam and each question was worth 25 points, then what is the average score of the students taking the exam? {:("Question Number","Number of students who solved the question"),(1,200),(2,304),(3,350),(4,250):}

A certain exam lasts a total of 4 hours. Each part of the exam required the same amount of time and 10 minute brekas are included between consecutive parts. If there is a total of 4 breaks during the 4 hours, what is the required time, in minutes, for each part of the test?

Two students Anil and Ashima appeared in an examination. The probability that Anil will qualify the examination is 0.05 and that Ashima will qualify the examination is 0.10. The probability that both will qualify the examination is 0.02. Find the probability that: Both Anil an Ashima will not qualify the exam.