Question : Study the given table and answer the question that follows. The table below shows the percentage distribution of students from five different colleges in various disciplines.
TOTAL NUMBER OF STUDENTS
Students from the discipline of mathematics in colleges P and R taken together is what percentage of the total number of students in colleges P and R taken together? [Give your answer correct to one decimal place.]
Option 1: 36.9%
Option 2: 36.5%
Option 3: 37.2%
Option 4: 37.5%
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Correct Answer: 36.5%
Solution : Total students in P and R = Students in P + Students in R = 8000 + 15000 = 23000 Students in Mathematics in P and R = = 30% of 8000 + 40% of 15000 = 0.3 × 8000 + 0.4 × 15000 = 2400 + 6000 = 8400 Required percentage = $\frac{\text{Students in Mathematics in P and R}}{\text{Total students in P and R}}$×100% = $\frac{\text{8400}}{\text{23000}}$×100% = 36.5% Hence, the correct answer is 36.5%.
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Question : The following table shows the number of students of class 6, class 7, class 8, class 9 and class 10, in schools A, B and C.
What is the total number of students in class 9 and class 10, taken together, in school B?
Option 1: 55
Option 2: 100
Option 3: 135
Option 4: 65
Question : The table given below shows the number of students from five classes playing different games.
Which of the following statements is correct? I. The average number of students playing A and B in the 9th class is 32. II. The average number of students playing A and C in the 8th class is 75. III. The total number of students playing all three games in the 10th class is 77.
Option 1: II and III
Option 2: I, II and III
Option 3: I and III
Option 4: I and II
Question : The following table shows the expenditure of a family in the years 2018 and 2019.
What is the percentage increase or decrease in the total expenditure in 2019 from 2018?
Option 1: 20.33% increase
Option 2: 11.44% decrease
Option 3: 13.88% increase
Option 4: 12.11% decrease
Question : The table given below shows the production of five companies in two years.
Which of the following statements is NOT correct? I. The average production of P, Q, R, and S in year L is 172.5. II. The ratio of the production of T in year L to the production of T in year M is 6 : 7.
Option 1: Only I
Option 2: Both I and II
Option 3: Neither I nor II
Option 4: Only II
Question : Different choices made by a group of 200 students are given below in percentage. The number of students who have taken neither Science nor Commerce is:
Option 1: 80
Option 2: 120
Option 3: 60
Option 4: 40
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