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Class 8 Exam  >  Class 8 Tests  >  Test: Comparing Quantities- 1 - Class 8 MCQ

Test: Comparing Quantities- 1 - Class 8 MCQ


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10 Questions MCQ Test - Test: Comparing Quantities- 1

Test: Comparing Quantities- 1 for Class 8 2024 is part of Class 8 preparation. The Test: Comparing Quantities- 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Test: Comparing Quantities- 1 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Comparing Quantities- 1 below.
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Test: Comparing Quantities- 1 - Question 1
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Find the ratio of speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

Detailed Solution for Test: Comparing Quantities- 1 - Question 1

Speed of cycle = 15 km per hour 

Speed of scooter = 30 km per hour 

∴ 

Test: Comparing Quantities- 1 - Question 2
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Rohan bought a second hand refrigerator for Rs 2,500, then spent Rs 500 on its repairs and sold it for Rs 3,300. Find his loss or gain per cent.

Detailed Solution for Test: Comparing Quantities- 1 - Question 2

Cost of refrigerator = Rs 2500

Money spent on repairs = Rs 500

Total CP of refrigerator = Rs 2500 + 500 = Rs 3000

SP of refrigerator = Rs 3300

Since SP > CP, so profit ocurrs.

Now, profit = SP − CP = 3300 − 3000 = Rs 300

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Test: Comparing Quantities- 1 - Question 3
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A picnic is being planned in a school for Class VII. Girls are 60% of the total number of students and are 18 in number. Find the ratio of the number of girls to the number of boys in the class.

Detailed Solution for Test: Comparing Quantities- 1 - Question 3

Girls are 60% of the total number of students and are 18 in number.

Let say total students = T

Girls = (60/100)T

=> 18 = 3T/5

=> T = 30

Boys = 30 - 18  = 12

Ratio of Girls to boys = 18 : 12

=> 3 : 2

Test: Comparing Quantities- 1 - Question 4
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During a sale, a shop offered a discount of 10% on the marked price of all the items. What would a customer have to pay for a pair of jeans marked at ₹ 1450 and two shirts marked at ₹ 850 each?
Detailed Solution for Test: Comparing Quantities- 1 - Question 4

Discount percentage = 10%

The marked price of a pair of jeans = ₹ 1450

Marked Price of a shirt = ₹ 850

(i) M.P. of a pair of jeans = C.P. of two jeans - Discount

(ii) M.P. of a shirt = C.P. of two shirts - Discount

Adding (i) and (ii) will give the amount he has to pay.

M.P of a pair of jeans = 1450

M.P of 2 shirts = 850 × 2 = 1700

Total M.P. = 1450 + 1700 = 3150

Discount on Total M.P =10% of 3150

= (10/100) × 3150

= 315

The amount customer has to pay is = Total M.P - Discount on total M.p

= 3150 - 315 = ₹ 2835

Test: Comparing Quantities- 1 - Question 5
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Find the amount when Rs. 10,800 for 3 years at 12.5% per annum compounded annually.
Detailed Solution for Test: Comparing Quantities- 1 - Question 5

Given:
Rs. 10,800 for 3 years at 12.5% per annum is compounded annually. We have to find the final amount at the end of three years. This can be easily done as-
Substituting P = 10800, r = 12.5 and t = 3,

The total amount when Rs. 10,800 for 3 years at 12.5% per annum is compounded annually is Rs. 15377.343. This is the required answer.

Test: Comparing Quantities- 1 - Question 6
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A sum of money, at compound interest, yields Rs. 200 and Rs. 220 at the end of first and second years respectively. What is the rate percent?
Detailed Solution for Test: Comparing Quantities- 1 - Question 6

Difference between interests = Rs.220 - Rs. 200 = Rs. 20
⇒ Rs. 20 is the S.I on Rs. 200 for 1 Year.

Hence, the rate of interest is 10%.

Test: Comparing Quantities- 1 - Question 7
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The population of a city was 20,000 in the year 1997. It increased at the rate of 5% p.a. Find the population at the end of the year 2000.
Detailed Solution for Test: Comparing Quantities- 1 - Question 7

We have,
P = 20,000, R = 5%, T = 3 year


= 23153

Test: Comparing Quantities- 1 - Question 8
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A shopkeeper purchased 200 bulbs for Rs 10 each. However 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs 12 each. Find the gain or loss %.
Detailed Solution for Test: Comparing Quantities- 1 - Question 8

Test: Comparing Quantities- 1 - Question 9
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________ means comparing two quantities.
Detailed Solution for Test: Comparing Quantities- 1 - Question 9

A ratio is a relationship between two numbers indicating how many times the first number contains the second.
Example: If a bowl of fruit contains eight oranges and six lemons, then the ratio of oranges to lemons = 8:6 = 4:3

Test: Comparing Quantities- 1 - Question 10
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The price of a scooter was Rs 34,000 last year. It has increased by 20% this year. What is the price now?
Detailed Solution for Test: Comparing Quantities- 1 - Question 10


Thus, Present price is Rs 40,800.

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