**Class 8 Maths Chapter 8 (Comparing Quantities) MCQs** are provided online for free. These multiple-choice questions are prepared by our subject experts according to **CBSE syllabus (2020-2021**) and **NCERT** guidelines. The objective questions are also available chapter-wise at BYJU’S to make students learn each concept thoroughly and help them to score better marks in exams. Also, learn important questions for class 8 Maths here.

## MCQs on Class 8 Comparing Quantities

Multiple choice questions (MCQs) are available for Class 8 Comparing Quantities chapter. All the problems have four multiple options, in which one is the right answer. Students have to solve each question and choose the correct answer.

**1. The ratio of speed of cycle 12 km per hour to the speed of scooter 36 km per hour is**

A. 1:2

B. 1:3

C. 1:4

D. None of the above

Answer: **B**

Explanation: Speed of cycle/Speed of scooter = 12/36 = ⅓

**2. The ratio of 10m to 10 km is:**

A. 1/10

B. 1/100

C. 1/1000

D. 1000

Answer: **C**

Explanation: 10m/10km = 10m/10000m = 1/1000

**3. The percentage of 3:4 is:**

A. 75%

B. 50%

C. 25%

D. 100%

Answer: **A**

Explanation: 3:4 = ¾

(3×100)/(4×100) = ¾ x 100% = 0.75 x 100% = 75%

**4. The percentage of 2:5**

A. 20%

B. 50%

C. 60%

D. 40%

Answer: **D**

Explanation: 2:5 = ⅖ = ⅖ x 100% = 0.4 x 100% = 40%

**5. If 50% of students are good at science out of 20 students. Then the number of students good at science is:**

A. 10

B. 15

C. 5

D. 11

Answer: **A**

Explanation: 50% of students out of 20 students = 50% of 20

= (50/100) x 20

= ½ x 20

= 10

**6. The price of a motorcycle was Rs. 34,000 last year. It has increased by 20% this year. The price of motorcycle now is:**

A. Rs. 36,000

B. Rs. 38,800

C. Rs. 40,800

D. Rs. 32,000

Answer: **C**

Explanation: 20% of Rs.34,000 = 20/100 x 34,000 = Rs.6800

New price = Rs. 34,000+Rs.6800

= Rs. 40,800

**7. An item marked at Rs. 840 is sold for Rs. 714. The discount % is:**

A. 10%

B. 15%

C. 20%

D. 25%

Answer:** B**

Explanation: Discount = Marked Price – Sale Price

= 840 – 714

= Rs. 126

Discount % = (126/840) x 100% = 15%

**8. A person got a 10% increase in his salary. If his salary was Rs. 50000, then the new salary is:**

A. Rs. 55000

B. Rs. 60000

C. Rs. 45000

D. Rs. 65000

Answer: **A**

Explanation: Previous salary = Rs. 50000

10% of Rs.50000 = (10/100) x 50000 = Rs. 5000

New salary = Rs. 50000 + Rs. 5000

= Rs. 55000/-

**9. The cost of the article was Rs. 15500 and Rs. 500 was spent on its repairing. If it is sold for a profit of 15%. The selling price of the article is:**

A. Rs.16400

B. Rs.17400

C. Rs.18400

D. Rs.19400

Answer: **C**

Explanation: Total cost = 15500+500 = 16000

Profit % = (Profit/Cost price) x 100

Profit = (Profit% x Cost price)/100

P = (15×16000)/100 = 2400

Selling Price = Profit + cost price = 2400 + 16000 = Rs.18400

**10. Waheeda bought an air cooler for Rs. 3300 including a tax of 10%. The price of the air cooler before VAT was added is:**

A. Rs. 2000

B. Rs. 3000

C. Rs. 2500

D. Rs. 2800

Answer: **B**

Explanation:10% VAT on Rs.100 will make it Rs.110

So, for price including VAT Rs.110, the original price is Rs.100

Then, Price including VAT Rs. 3300, the original price = Rs. (100/110) x 3300 = Rs. 3000