Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Percentage Decrease |
Grade: 1300-a Lesson: S4-L4 |
Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts. |
Quiz: in Class
| Problem Id | Problem | Options |
|---|---|---|
1 |
What is the net percentage change when a number is increased by 60% and then decreased by 85%? |
A) 76% increase B) 67% decrease C) 76% decrease D) 67% increase |
2 |
What is the percentage loss incurred by Rosey when she bought a car for Rs. 2,27,500 and sold it for Rs. 1,26,500? |
A) 47% B) 46% C) 48% D) 44.39% |
3 |
If the speed of a bus is decreased by 74% and the distance to be covered is increased by 98%, what is the percentage change in the time taken to cover the distance? |
A) 765% B) 661% C) 654% D) 546% |
4 |
If the price of a bike was Rs. 150,000 last year and it decreased by 48% this year, what is the current price of the bike? |
A) Rs. 78000 B) Rs. 72000 C) Rs. 785200 D) Rs. 756000 |
5 |
What was the original price of the T.V. if decreasing it by 32% results in a price of 66000? |
A) Rs. 97,058.82 B) Rs. 98,558 C) Rs. 98,650 D) Rs. 89,558 |
6 |
What will be the cost of Nick’s next bike service if he applies a coupon that provides a 47% discount on the usual charge of Rs. 2500? |
A) Rs. 1253 B) Rs. 1325 C) Rs. 1523 D) Rs. 1352 |
7 |
Ravi bought tickets to the concert for Rs. 3500. He plans to sell them at a discount of 18%. What will be the selling price of the tickets? |
A) Rs. 2875 B) Rs. 2870 C) Rs. 2880 D) Rs. 2890 |
8 |
What percent decrease occurred in the price of a book that was sold for Rs. 2150 but had a cost price of Rs. 2500? |
A) 16% B) 12% C) 14% D) 19.00% |
9 |
How many students are there in this year’s 10th grade class after a 42% decrease from last year’s 450 students? |
A) 324 B) 621 C) 261 D) 289 |
10 |
Over five consecutive days, the stock price of a company decreased by 15% each day. What is the total percentage decrease in the stock price over these five days? |
A) 49.45% B) 50% C) 38% D) 55.63% |
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