Description

This mock test of Test: Comparing Quantities for Class 7 helps you for every Class 7 entrance exam.
This contains 15 Multiple Choice Questions for Class 7 Test: Comparing Quantities (mcq) to study with solutions a complete question bank.
The solved questions answers in this Test: Comparing Quantities quiz give you a good mix of easy questions and tough questions. Class 7
students definitely take this Test: Comparing Quantities exercise for a better result in the exam. You can find other Test: Comparing Quantities extra questions,
long questions & short questions for Class 7 on EduRev as well by searching above.

QUESTION: 1

Find the ratio of 3 km to 300 m.

Solution:

First convert both the distance to the same unit

So 3 km = 3×1000m

= 3000 m

Thus the required ratio, 3 km : 300 m is 3000 : 300 = 10 : 1

QUESTION: 2

A map is given with a scale of 2 cm = 1000 km. What is the actual distance between the two places in kms, if the distance in the map is 2.5 cm?

Solution:

Since 2 cm = 1000km

1 cm = 500km

2.5cm = 500*2.5

=1250km

So option C is the correct answer

QUESTION: 3

6 bowls cost Rs 90. What would be the cost of 10 such bowls?

Solution:

6 bowls cost Rs.90

so 1bowl cost 90/6=Rs.15

cost of 10 bowls=10×15=Rs.150

So option A is the correct answer.

QUESTION: 4

The car that I own can go 150 km with 25 litres of petrol. How far can it go with 30 litres of petrol?

Solution:

Distance covered with 25 litres of petrol = 150 Km

Distance covered with 30 Litres of petrol= 150/25 × 30 = 180 Km (Using Unitary Method)

QUESTION: 5

The ratio of 90 cm to 1.5 m is

Solution:

So option C is the correct answer.

QUESTION: 6

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. The ratio of the number of girls to the number of boys in the class is

Solution:

Let total students be x

60/100* x = 18

x = 30

boys = 30−18 = 12

ratio of girls/ ratio of boys = 18 /12 = 3/2

So option C is the correct answer.

QUESTION: 7

Find the ratio of Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

Solution:

Speed of cycle = 15km/hr

Speed of scooter = 30km/hr

Ratio = cycle/scooter

= 15/30

= 1/2

So option C is the correct answer.

QUESTION: 8

Find the ratio of 5 m to 10 km.

Solution:

Ratio of 5m to 10km is

10km = 10000m

5 : 10000

*1 : 2000*

*So option C is the correct answer. *

QUESTION: 9

Find the ratio of 50 paise to Rs 5.

Solution:

**Explanation **

we have to find 50 Paisa to 5 rupees

we know that 1 rupee = 100 Paisa

therefore 5 rupees = 100 × 5 = 500 Paisa

hence ratio between them :-

=> 50 : 500

=> 1 : 10

So option B is the correct answer.

QUESTION: 10

72% of 25 students are good in Mathematics. How many are not good in Mathematics?

Solution:

Number of students good in Math =

So, number of students not good in Math =

QUESTION: 11

Convert 1/8 to percent

Solution:

⅛*100=½*25=12.5%. For fraction to percentage , we multiply the fraction by 100

QUESTION: 12

What is 75% of 1 kg

Solution:

75% of 1kg

= 75/100 x 1000

= 750

So option C is the correct answer.

QUESTION: 13

What will be 5% to fractions in simplest form?

Solution:

5% can be written as 5 / 100 = 1/20

So option D is the correct answer.

QUESTION: 14

Find the ratio of 15 kg to 210 g

Solution:

We know that 1kg = 1000 g

Given, 15kg = 15000 g

15kg to 210g = 15000 : 210

= 15000/210

= 500 : 7.

QUESTION: 15

Convert 20% to fractions in simplest form will be

Solution:

We know 20% can be written as :

20 / 100 = 1 / 5

So option D is the correct answer.

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