# Aptitude - Percentages Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Percentages**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

### Answer : B

### Explanation

5 : 4 =^{5}⁄_{4}= (^{5}⁄_{4}x 100 ) % = 125 %

### Answer : A

### Explanation

^{p}⁄_{100}x 932 = 279.6 p = 279.6 x^{100}⁄_{932}= 30

Q 3 - The population of a town increased from 175000 to 262500 in a decade. The average percent increase of population per year is:

### Answer : C

### Explanation

Increase in 10 years = (262500 - 175000) = 87500 Increase % = (^{87500}⁄_{175000}) = 50% Therefore, average = (^{50}⁄_{10})% = 5%

Q 4 - Two tailors Rajiv and Raman are paid a total of Rs. 550 per week by their employer. If Rajiv is paid 120% of the sum paid to Raman, then how much is Raman paid per week?

### Answer : A

### Explanation

Let p be the sum paid to Raman per week. Then, p + 120% of p = 550 Therefore, p = 250 after solving the above equation. Raman is paid Rs. 250 per week.

Q 5 - The wheat production of a farmer increased from 180 quintals to 190 quintals. Find the percentage increase in production.

### Answer : D

### Explanation

Increase =190-180=10 %Increase=(10/180)*100 = 5.56%

Q 6 - In a recent survey 40% houses contained 2 or more people. Of those houses containing only one person, 25% were having only a male. What is the percentage of all the houses which contain exactly one females and no males?

### Answer : D

### Explanation

As per question, 40% houses contain two or more people. i.e. 60% houses have only one person. O these houses 25% have male. ∴ 75% of 60% of the total houses have only one female and no males. = .75 * 60% = 45%

### Answer : A

### Explanation

200% of x = 300,=>x=150 90% of 150=135

Q 8 - The price of an article is cut by 20% .to restore it to the former value, the new price must be increased by

### Answer : B

### Explanation

Let original price = Rs. 100 Reduced price = Rs. 80 Increase on Rs.80=Rs.20 Increase on Rs. 100=20/80*100%=25%

### Answer : C

### Explanation

Let x% of 24 = 0.72. Then, (x/100*24)=0.72= 72/100=>24x=72 =>x=3.

Q 10 - 72% of the students of a certain class took Biology and 44% took Mathematics. If each student took at least one subject from Biology or Mathematics and 40 took both, then the total number of students in the class is

### Answer : C

### Explanation

Let the number of students in the class be 100. ∴ Number of students in Biology = 72 and number of students in Maths = 44. ∴ Number of students opting for both the subjects = 72 + 44 – 100 = 16 When 16 students opt for both the subjects, total number of students = 100 ∴ When 40 students took both the subjects, total number of students = (100/16)*40 = 250