Student's Must Watch This Video

Four different movies are running in a town. Ten students go to watch these four movies. The number of ways in which every movie is watched by atleast one student, is (Assume each way differs only by number of students watching a movie)

Every evening a student either watches TV or reads a book. The probability of watching TV is (4)/(5) . If he watches TV, the chance that he will fall a sleep is (3)/(4) and it is (1)/(4) when he read a book. On one evening, the student is found to be asleep. The probability that he watched TV is

A college council is auditioning students for a cultural festival. They must satisfy the following criteria. 1. Student must know atleast one dance form. 2. Student must know to play atleast one musical instrument . 3. Student must have good acting skills. Which one of the following will the council definitely select?

The number of hours for which students of a particular class watched television during holidays is shown through the given graph. Answer the following. (i) For how many hours did the maximum number of students watch TV? (ii) How many students watched TV for less than 4 hours? (iii) How many students spent more than 5 hours in watching TV?

In a hostel there are.250 students. 120 watch news channels, 80 watch sports channels and 90 watch music channels. Each channel telecasts the content as per their nature. 50 students watch both news and sports channel 60 students watch both sports and music channel and 65 students watch both news and music channels. What is the maximum number of students who watch all the three types of channels?

In a hostel there are.250 students. 120 watch news channels, 80 watch sports channels and 90 watch music channels. Each channel telecasts the content as per their nature. 50 students watch both news and sports channel 60 students watch both sports and music channel and 65 students watch both news and music channels. What is the minimum number of students who watch atleast one of the given channel?

In a hostel there are.250 students. 120 watch news channels, 80 watch sports channels and 90 watch music channels. Each channel telecasts the content as per their nature. 50 students watch both news and sports channel 60 students watch both sports and music channel and 65 students watch both news and music channels. What is the maximum number of students who watch atleast one of the given channels?