- Finding Percents and Percent Equations
- Home
- Finding a percentage of a whole number
- Finding a percentage of a whole number without a calculator: Basic
- Finding a percentage of a whole number without a calculator: Advanced
- Applying the percent equation: Problem type 1
- Applying the percent equation: Problem type 2
- Finding a percentage of a total amount: Real-world situations
- Finding a percentage of a total amount without a calculator: Sales tax, commission, discount
- Estimating a tip without a calculator
- Writing a ratio as a percentage without a calculator
- Finding the rate of a tax or commission
- Finding the total amount given the percentage of a partial amount
- Finding a percentage of a total amount in a circle graph

- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who

# Finding the total amount given the percentage of a partial amount Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Finding the total amount given the percentage of a partial amount**. 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.

**Q 1 - In a parking lot there were red and blue cars. There were 30 red cars, the percentage of blue cars was 25%. How many cars were there altogether?**

### Answer : B

### Explanation

**Step 1:**

Percentage of blue cars = 25%;

Percentage of red cars = 100% − 25% = 75%

**Step 2:**

Number of red cars = 30

Total number of cars = $\frac{30}{75} \times 100 = 40$

**Q 2 - Frank had some money. He spent $21 dollars on new books, which is 30% of the money he had. What was the amount of money he had?**

### Answer : C

### Explanation

**Step 1:**

Amount spent on books = $21;

Percentage of money spent of books = 30%

**Step 2:**

The total amount = $\frac{21}{30} \times 100 = \$70$

**Q 3 - A parking lot has 32 empty spaces. If the percentage of taken spaces is 80, how many spaces are there in total?**

### Answer : D

### Explanation

**Step 1:**

Percentage of taken spaces = 80%

Percentage of empty spaces = 100% − 80% = 20%

**Step 2:**

Number of empty spaces = 32

Number of total parking spaces = $\frac{32}{20} \times 100 = 160$

**Q 4 - A cafeteria sold two types of milk, regular and chocolate. If they sold 23 cartons of regular flavor, and the percentage of chocolate flavor milk cartons sold was 75%, what is the total number of milk cartons that were sold?**

### Answer : A

### Explanation

**Step 1:**

Percentage of chocolate flavor cartons = 75%

Percentage of regular flavor cartons = 100% – 75% = 25%;

**Step 2:**

Number of regular flavor cartons sold = 23

Number of total cartons sold = $\frac{23}{25} \times 100 = 92$

**Q 5 - At a restaurant, the number of kid’s meals sold was 17 and the percentage of adult meals sold was 80%. What is the total number of meals sold?**

### Answer : A

### Explanation

**Step 1:**

Percentage of adult meals sold = 80%

Percentage of kid’s meals sold = 100% – 80% = 20%

**Step 2:**

Number of kid’s meals sold = 17

Total number of meals sold = $\frac{17}{20} \times 100 = 85$

**Q 6 - A small school has 60% boys and rest girls. If the number of boys is 54, what is the total number of boys and girls altogether in the school?**

### Answer : C

### Explanation

**Step 1:**

Percentage of the boys in school = 60%

Number of boys in the school = 54

**Step 2:**

Total number of students = $\frac{54}{60} \times 100 = 90$

**Q 7 - A fruit store sold red and green apples. If the percentage of red apples sold was 80% and the number of red apples sold was 88, what is the total number of red and green apples sold?**

### Answer : B

### Explanation

**Step 1:**

Percentage of red apples = 80%

Number of red apples = 88

**Step 2:**

Total number of apples = $\frac{88}{80} \times 100 = 110$

**Q 8 - During a race Jenna jogged for 84 minutes and for the rest, she walked. If the time she jogged was 70% of the total time, what was the total time of the race?**

### Answer : D

### Explanation

**Step 1:**

Percentage of time Jenna jogged = 70%

Number of minutes Jenna jogged = 84

**Step 2:**

Total number of minutes of the race

= $\frac{84}{70} \times 100 = 120$ minutes

**Q 9 - A food joint offers buffets with ranch and Caesar dressings. If the buffet uses 60 cases of ranch dressing, which is 48% of all dressings, what is total number of dressings altogether?**

### Answer : C

### Explanation

**Step 1:**

Number of ranch dressings used = 60

Percentage of ranch dressings = 48%

**Step 2:**

Total number of dressings = $\frac{60}{48} \times 100 = 125$

**Q 10 - At a carnival, the percentage of people who won the ring toss game was 60% and their number was 18. What was the total number of people who played the ring toss game?**

### Answer : D

### Explanation

**Step 1:**

Number of people who won ring toss game = 18

Percentage of people who won ring toss game = 60%

**Step 2:**

Number of persons who played the game = $\frac{18}{60} \times 100 = 30$