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Percentages: Practice Exercise-4

 

Question 1: In a class, the average score of girls in an examination is 73 and that of boys is 71. The average score for the whole class is 71.8. Find the percentage of girls.
(a) 40%
(b) 50%
(c) 55%
(d) 60%

Answers and Explanations

percentages-exam-questions-1

Question 2: The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 25% of the girls are scholarship holders, then the percentage of the students, who do not get the scholarship, is
(a) 78%
(b) 75%
(c) 60%
(d) 55%

Answers and Explanations

percentages-exam-questions-2

Question 3: Two numbers are respectively 10% and 25% more than a third number. What per cent is the first number of the second?
(a) 88%
(b) 65%
(c) 75%
(d) 80%

Answers and Explanations

percentages-exam-questions-3

Question 4: Two numbers are less than a third number by 30% and 37%, respectively. The second number is less than the first by
(a) 7%
(b) 4%
(c) 3%
(d) 10%

Answers and Explanations

percentages-exam-questions-4

Question 5: If 80% of a number added to 80 gives the result as the number itself, then the number is
(a) 200
(b) 320
(c) 400
(d) 480

Answers and Explanations

percentages-exam-questions-5

Percentages: The Complete Lesson

Table of Contents

Tests

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