Static GK MCQ | SUPERTET, DSSSB, KVS & All Exams | CLASS 03 | Gaurav Chaudhary

The makes obtained by Rohit in English in his class-X final exams? Rohit sscored 42 marks in Chemistry which was 50% of the marks that he got in Hindi which in twice as mush as mark obtained in English II. Rohit's marks in Rnglish were 17% of the total marks he got in all the subjects together.

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Class 12 Improvement Exam All Details

What is the largest mass of C in kg that can be suspended without moving blocks A and B ? The static coefficent of friction for all plane surface of contact is 0.3 Mass of block A is 50 kg and block B is 70 kg . Neglect feriction in the pulleys.

If the average marks of 17 students in a class is A. The marks of the students when arranged in either an ascending or a descending order was found to be in arithmetic progression. The class teacher found that the students who were ranked 3rd, 7th, 8th, 11th, 15th had copied in the exam and hence got all of them rusticated. The average of the remainder of the class was B. Then

Neelam has offered physics, chemistry and mathematics in Class XII. She estimates that her probabilities of receiving a grade A in these courses are 0.2, 0.3 and 0.9 respectively. Find the probabilities that Neelam receives (i) all A grades (ii) no A grade (iii) exactly 2 A grades.