mathematics for teachers

Question: For the post of 5 teachers, there are 23 applicants. 2 posts are reserved for S.C. candidates and there are 7 S.C. candidates among applicants. In how many ways can the selection be made? Answer: There are 23 applicants. Among this, 7 are S.C. candidates. We have to ..

A math teacher gave her class two tests. 76% of the class passed the first test. 58% of the class passed both tests. Find the probability that a student who passed the second test, given that he passed the first test. => 1.31 or 0.58 or 1.00 or 0.76..

A mathematics teacher has to take a class for 1 hour at any time between 9 A.M. to 2 P.M. What is the probability that the class would be taken from 1 P.M. to 2 P.M.? => 1 7 or 1 6 or 1 4 or 1 5..

There are 6 teachers for every 120 students in a school. Find the ratio of students to teachers. => 21 : 1 or 22 : 1 or 20 : 1 or 20 : 2..

A school has 15 teachers out of which 9 are male. A team of 9 teachers is to be formed with 5 female teachers. In how many ways can the team be formed? => 776 or 746 or 756 or 766..

A school teacher estimated that the average score of the students in a math quiz is less than 20. A sample of 30 students is selected for the math quiz and their scores are as shown. Find the p -value for the test. Is there enough evidence to support the teacher..

The scatter plot shows the number of teachers hired each year from 1980 through 1984. How many more teachers were hired in the year 1983 than those in 1984? => 10 or 5 or 15 or 20..

There are 5 teachers for every 20 students in a class. Which one of these represents the ratio of students to teachers? => 1 : 2 or 2 : 1 or 1 : 4 or 4 : 1..

Danielle wants to attend dance and music classes after school. There are 4 dance teachers and 9 music teachers available to choose. How many different choices are available for Danielle to choose the two teachers? => 4 or 9 or 36 or 37..

The circle graph represents the way in which 77 teachers were allotted for different subjects. Find the number of teachers who were not allotted Social Studies. => 64 or 77 or 67 or 13..