student math book for teachers

A teacher had a stack of notebooks. If there were 25 books in the stack and the teacher distributed them evenly among five of her favorite students, then how many books would each student get? => 3 or 10 or 5 or 8..

Question: From 12 books, in how many ways can 5 be chosen i. to surely include a particular book ii. never to include a particular book iii. to have no restrictions at all? Answer: i. To include a particular book, one particular book has..

From a class of 32 students, 4 are to be chosen for a competition. In how many ways can this be don..

Question: Twelve students are participating in a competition. In how many ways can the first 3 prizes be won? Answer: Number of students participating in the competition = 12 The number of ways in which the first three prizes can be won = P (12,3) = 12 x 11 x 10 = 13..

Question: A sportsteam of 11 students is to be constituted choosing at least 5 from class XI and 5 at least from XII. If there are 20 students in each of these classes, in how many ways can the team be constituted? Answer: Number of students in each class i..

Question: From a class of 12 boys and 10 girls, 10 students are to be chosen for a competition, including atleast 4 boys and 4 girls. 2 girls who won prizes last year should be included. In how many ways the selection can be made? Answer: There are 12 boys and 10 girls in the ..

There are 6 teachers for every 240 students in a school. Identify the ratio of students to teachers in three ways. => 1 : 40, 1 to 40, and 1 40 or 41 : 1, 41 to 1, and 41 1 or 40 : 1, 40 to 1, and 40 1 or 42 : 1, 42 to 1, and 42 1..

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 1 : 4 or 2 : 1 or 4 : 1..

A teacher wants 4 of her 10 students to write a skill test. In how many ways can she select 4 students? => 210 or 220 or 215 or 205..

The teacher in a class distributed 16 pencils evenly among 4 students. How many pencils will each student receive? => 6 or 8 or 4 or 2..