need math 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 ..

(i) Note that the entries in a given matrix need not be distinct. (ii) The entries in this matrix are function of x. A matrix having m rows and n columns is called as matrix of order mxn. Such a matrix has mn elements. In general, an mxn matrix is in the form Where a i j represen..

Irene has 26 roses. How many more roses does she need to buy if she wants to give 5 roses to each of the six teachers in her school? => 4 or 7 or 5 or 6..

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 14 teachers out of which 8 are male. A team of 8 teachers is to be formed with 4 female teachers. In how many ways can the team be formed? => 1060 or 1050 or 1070 or 1040..

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..

Which of the following is needed to draw a triangle? => four collinear points or three non-collinear points or two non-collinear points or three collinear points..

Which of the following activities will not need a thermometer? => to weight a box or to measure the temperature inside your refrigerator or to find out how cold a cup of ice cream is or to find out how hot a cup of coffee is..

There are 3 math teachers in school H1, 4 math teachers in school H2, 2 math teachers in school H3, and 6 math teachers in school H4. Identify the line plot that displays the data. => Line Plot 3 or Line Plot 1 or Line ..