everyday math student math journal

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 ..

The scatter plot shows the number of students and the number of hours they work everyday. How many students work four hours a day? => 20 or 50 or 40 or 30..

The scatter plot shows the number of students and the number of hours they work everyday. How many more students work for 5 hours than those who work for 4 hours each day? => 15 or 10 or 20 or 5..

Significant Figures and Measuring Instruments - Let us consider the following entries in a Students' Journal: (a) Weight of a calorimeter = 42 g (measuring instrument used is spring balance) The smallest reading the spring balance can record is 1g. There are 42 of 1 g units of m..

The cost of 3 math journals and 6 science journals is $66 and the cost of 4 math journals and 1 science journal is $32. Find the cost of a math journal and a science journal graphically. => $ 7 1 3 , $6.4 or $..

Sunny spends 2 hours playing everyday. How many hours would he spend playing in a week? => 10 or 12 or 14 or None of the above..

Joe takes 6 slices of bread in his breakfast everyday. Calculate the number of slices of bread he eats in a week. => 47 or 42 or 37 or 57..