Candidates of four schools appear in a mathematics test. The data were as follows School, No. of Candidates, Average Score I II III IV, 60 48 Not available 40, 75 80 55 50 If the average score of the candidates of all the four schools is 66, find the number of candidates that appeared from school III.

Candidates of four schools appear in a mathematics test. The data were as follows: Schools No. of Candidates Average Score I 60 75 II 48 80 III Not available 55 IV 40 50 If the average score of the candidates of all the four schools is 66, find the number of candidates that appeared from school III.

The average score of boys in an examination of a school is 71 and that of girls is 73. The average score of school in that examinations is 71.8. The ratio of the number of boys to the number of girls appeared in the examination, is

A school has four sections in Class XII having 50, 39, 42, 48 students of the four section. In a mathematics test the average marks were 60, 55, 57 and 48 respectively. What was the overall average of the marks per student?

Thirty students of Class 7 have appeared for a mathematics examinations. Ms Rinku wants to identify students who can be trained to participate in an inter-school mathematics competition. She also wants to arrange remedial clases for students who were not able to score very well in the examination. From the given figure, state how this organize figure is helpful for Ms Rinku? Can you tell the name and marks of people who were not able to scored very well?

Six candidtes are called for interview to fill four posts in an office. Assuming that each candidate is fit for each ost, determine the number of ways in which i. first and second posts can be filled. ii.First three posts can be filled. iii. All the four posts can be filled.

Column I, Column II The number of five-digit numbers having the product o digit 20 is, p. > 70 A closest has five pairs of shoes. The number of ways in which four shoes can be drawn from it such that there will be no complete pair is, q. <60 Three ladies have each brought their one child for admission to a school. The principal wants to interview the six persons one by one subject to the condition that no mother is interviewed before her child. The number of ways in which interview can be arranged is, r. in (50 ,110) The figures 4, 5, 6, 7, 8 are written in every possible order. The number of numbers greater than 56000 is, s. in (40 ,70)

Wanda wants to choose her ''best-fit'' college in a systematic way. Academic reputation (AR), sports reputation (SR), social life (SL), and cost (C) are the four factors that Wanda considers for all her colleges. She plans to score the colleges on these factors using a scale of 1 to 5, with 5 being the highest, and she attaches the following weights: AR (40%) . SR (10%) , SL (15%), and C(35%) . Her scores for these categores at one school are AR, 4, SR, 3, SL, 5, C,2. What is the weighted overall average score for this school?