Percentages Practice Set For MBA

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| By Tanmay Shankar

Tanmay Shankar

Community Contributor

Quizzes Created: 491 | Total Attempts: 1,778,503

Questions: 5 | Attempts: 159 | Updated: Mar 20, 2023

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Questions and Answers

1.

Subtracting 40% of a number:from the number, we get the result as 30. The number is:
- A.
  
  28
- B.
  
  52
- C.
  
  50
- D.
  
  70
Correct Answer
C. 50

Explanation
If we subtract 40% of a number from the number itself and the result is 30, it means that 60% of the number is equal to 30. To find the original number, we can set up the equation 0.6x = 30, where x represents the number. By dividing both sides of the equation by 0.6, we find that x = 50. Therefore, the number is 50.

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2.

12.5% of 192=50% of?
- A.
  
  48
- B.
  
  24
- C.
  
  6
- D.
  
  None of these
Correct Answer
A. 48

Explanation
To find 50% of a number, we can multiply the number by 0.5. In this case, we need to find a number that is 12.5% of 192. To do this, we can divide 192 by 0.125 (12.5% expressed as a decimal), which equals 1536. Now, we need to find 50% of this number. Multiplying 1536 by 0.5 gives us 768. Therefore, the correct answer is 768 and not given in the options.

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3.

In an election contested by two parties, Party D secured 12% of the total votes more than Party R. If party R got 132,000 votes, by how many votes did it lose the election?
- A.
  
  240,000
- B.
  
  300,000
- C.
  
  168,000
- D.
  
  36,000
Correct Answer
D. 36,000

Explanation
Party R got 132,000 votes. Party D secured 12% more votes than Party R. To find the number of votes Party D secured, we calculate 12% of 132,000, which is 15,840. Therefore, Party D secured 132,000 + 15,840 = 147,840 votes. To find the number of votes Party R lost the election by, we subtract Party R's votes from Party D's votes: 147,840 - 132,000 = 15,840. Therefore, Party R lost the election by 15,840 votes.

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4.

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is equal to the number of students of 8 years of age which is 48. What is the total number of students in the school?
- A.
  
  80
- B.
  
  120
- C.
  
  150
- D.
  
  100
Correct Answer
D. 100

Explanation
Let the total number of students in the school be x. Since 20% of students are below 8 years of age, the number of students below 8 years of age is 0.2x. The number of students above 8 years of age is equal to the number of students of 8 years of age, which is 48. So, 0.2x + 48 + 48 = x. Solving this equation, we get x = 100. Therefore, the total number of students in the school is 100.

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5.

If A = x% of y and B = y% of x, then which of the following is true?
- A.
  
  A is smaller than B
- B.
  
  A is greater than B
- C.
  
  Cannot be determined
- D.
  
  None of these
Correct Answer
D. None of these

Explanation
The statement "None of these" is the correct answer because A and B are equal. This can be proven by substituting values for x and y. For example, let's say x = 10 and y = 20. In this case, A would be 10% of 20 which is 2, and B would be 20% of 10 which is also 2. Therefore, A is not smaller or greater than B, and it can be determined that the answer is none of these options.

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Jul 03, 2014

Quiz Created by
Tanmay Shankar

Percentages Practice Set For MBA

Subtracting 40% of a number:from the number, we get the result as 30. The number is:

12.5% of 192=50% of?

In an election contested by two parties, Party D secured 12% of the total votes more than Party R. If party R got 132,000 votes, by how many votes did it lose the election?

In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is equal to the number of students of 8 years of age which is 48. What is the total number of students in the school?

If A = x% of y and B = y% of x, then which of the following is true?