mathematics for the international student mathematics sl

Question 1 - Question: From a class of 32 students, 4 are to be chosen for a competition. In how many ways can this be done? Answer: We are to select 4 students from 32. This selection can done ..

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 ..

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In how many different ways can an international committee of 5 be formed out of 6 Americans and 9 Asians that includes at least 4 Americans? => 1 5 C 4 or 141 or 1 5 C 5 or 810..

The table shows the favorite fruits of a group of students. How many students like Apple? => 9 or 3 or 7 or 4..

The graph represents the favorite fruit of 16 students. Which fruit was liked by most of the students? => Apple or Banana or Orange or Peach..

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..

There are 7 desks in a class for every 35 students. Which one of these represents the ratio of the students to desks? => 1 6 or 4 5 or 1 5 or 5 1..