Introduction to Fractions and Ratios

Q.

Question 1 (a)
Find the ratio of the following:
Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.

Q.

Two numbers are in a ratio 2 : 3. What must be added to each of them so that the ratio becomes 4 : 5?

1. 9

2. 4

3. 3

4. 2

Q.

In a basket, there are 10 mangoes and 30 oranges. The ratio of the number of oranges to the number of mangoes is:

1. 3:1

2. 2:3

3. 3:2

4. 1:3

Q.

A fraction is ______.

1. the ratio of the total number of parts to the number of parts considered.

2. the ratio of the number of parts considered to the total number of parts.

3. never a whole part

4. always a whole part

Q.

Question 1 (c)
Find the ratio of the following:
50 paise to Rs 5

Q. Ram travels 1 km by bicycle and covers the remaining 300 m by walk. What is the ratio of distance Ram travelled by walk to bicycle?

1. 10 : 3
2. 3 : 10
3. 5 : 10
4. 2 : 1

Q. If a bag contains 6 red balls, 9 black balls and 5 green balls, then the fraction of green balls in the bag is .

1. $\frac{1}{4}$
2. $\frac{1}{5}$
3. $\frac{4}{1}$
4. $\frac{2}{6}$

Q.

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

Q. If the Indian cricket team won 6 matches and lost 4, then Indian cricket team has won of the total matches played.

1. $\frac{2}{5}$
2. $\frac{5}{3}$
3. $\frac{1}{3}$
4. $\frac{3}{5}$

Q. Fractions, decimals, and percentages are different ways of representing the same number.

1. False
2. True

Q. In real life, what type of interest is most commonly applied?

1. Compound interest
2. Simple interest
3. Both A and B
4. Variable interest

Q.

What is ratio?

1. Addition of whole numbers

2. Comparison of two similar quantities

3. Product of two numbers

4. None of these

Q.

There are 1800 students in a school. 800 selected football, 750 selected basketball and the remaining selected cricket. Find the ratio of the total number of students to the number of students who selected cricket.

1. 26 : 5

2. 16 : 25

3. 36 : 5

4. 12 : 1

Q. The denominator of a fraction represents the number of parts into which the whole is divided.

1. False
2. True

Q.

How can we understand fractions?

1. Subtraction of consecutive numbers.

2. A number which is written like a division problem

3. Any positive number

4. Addition of consecutive number

Q. A bag contains 6 red balls, 3 black balls and 5 green balls. What is the ratio of black balls to the total number of balls in the bag?

1. 5 : 14
2. 6 : 14
3. 14 : 3
4. 3 : 14

Q. Find the ratio of 3 m and 3000 cm.

1. 10 :1
2. 1:10
3. 2:1
4. 2:5

Q.

Find the ratio of 5 km to 500 m.

1. 1 : 100

2. 10 : 1

3. 100 : 1

4. 1 : 1000

Q. A ratio is a comparison of two quantities of the same type.

1. \N
2. \N

Q. Smita works in office for 6 hours and Kajal works for 8 hours in her office. Find the ratio of their working hours.

1. 4 : 2
2. 2 : 4
3. 4 : 3
4. 3 : 4