Properties of Ratio

Q. Length and width of a field are in the ratio 5 : 3. If the width of the field is 42 m, then its length is

1. 100 m
2. 80 m
3. 50 m
4. 70 m

Q.

For comparing two quantities in terms of ratio, the quantities must be expressed in same unit.

1. True

2. False

Q.

The first Term of ratio is called.$\left(\_\_\_\right)$

Q. If a bus covers 120 km in 3 hours, find the speed of the bus in km/hr.

1. 40

Q. A picture frame is 80cm wide and 2.4m long. What is the ratio of its length to breadth?

1. 1:3
2. 24:80
3. 3:1
4. 80: 24

Q.

The length of a rope is 2 m and its diameter is 1 mm. Find the ratio of length of the rope to its diameter.

1. 200:1

2. 2000:1

3. 1:2000

4. 2:1

Q.

The simplest form of ratio $45paise$ to $₹1$ is ____.

Q.

The ratio of length to breadth of a rectangular field is 5 : 2 . If the breadth is 240 m , find the length of the field

1. 600 m

2. 350 m

3. 550 m

4. 1200 m

Q.

What is an example of a ratio measurement?

Q.

Find the ratio of each of the following in simplest form:

$15mm$ to $2cm$

Q.

Find the ratio of each of the following in simplest form:

$3.5kg$ to $250g$

Q.

The length of a snake is 10 cm and that of a crocodile is 2 m. Pick the correct statement.

1. The ratio of length of snake to crocodile is 5:1

2. Both B & C

3. The ratio of length of snake to crocodile is 1:20

4. Crocodile is 20 times longer than snake

Q.

Find the ratio of each of the following in simplest form:

$91cm$ to $1.04m$

Q.

The ratio of $1m40cm$ to $35cm$ in its simplest form is ____.

Q.

Find the ratio of each of the following in simplest form:

$60paise$ to $4rupees$

Q.

If a racing car covers 500 km in 4 hours then find its speed.

1. 125 km/h

2. 25 km/h

3. 250 km/h

4. 100 km/h

Q.

The ages of Ashish and Gagan are in the ratio $7:6$. If Ashish is $35$ years old, find the age of Gagan.

Q. What is the antecedent term in the simplest form of the ratio 15:25 ?

1. 15
2. 5
3. 3
4. 25

Q. If ₹60 is divided into two parts in the ratio 1:3, then find the difference between those two parts.

1. ₹40
2. ₹50
3. ₹30
4. ₹60

Q. What is the consequent term in the ratio 2 : 4?

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

Q. Find the ratio of the following:
The speed of cycle is 15km per hour to the speed of scooter 30km per hour.

Q. Suhas ate 5 fruits out of 11 fruits. This can be expressed as a

1. rate
2. ratio
3. fraction

Q. The ratio of weights of zinc and copper in an alloy is $5:8$. If the weight of copper in a sample of this alloy is $12g$, what is the weight of zinc?
[1 Mark]

A. $6.5g$
B. $6g$
C. $7g$
D. $7.5g$

Q.

In a blueprint of a room, an architect has shown the height of the room as $33\mathrm{cm}$. If the actual height of the room is $330\mathrm{cm}$, then the scale used by her is

1. $1:11$

2. $1:10$

3. $1:100$

4. $1:3$

Q.

Question 10

Only one of the four options is correct. Write the correct one.

If a bus travels 160 km in 4 hours and a train travels 320 km in 5 hours at uniform speeds, then the ratio of the distance travelled by them in one hour is

a) 1 : 2

b) 4 : 5

c) 5 : 8

d) 8 : 5

Q.

Present age of father is $42\mathrm{years}$ and that of his son is $14\mathrm{years}$. Find the ratio of age of father after $10\mathrm{years}$ to the age of son after $10\mathrm{years}$.

Q.

The length of a snake is 10 cm and that of a crocodile is 2 m. Pick the correct statement.

1. The ratio of length of snake to crocodile is 1 : 20

2. The ratio of length of snake to crocodile is 5 : 1

3. Crocodile is 10 times longer than the snake.

4. Crocodile is 15 times longer than the snake.

Q.

Express $2m$ to $5m$ in fraction form, ratio form, and in words. Also, write the ratio in its simplest form as a fraction.

Q.

The ratio of weights of zinc and copper in an alloy is 5:8. If the weight of copper in a sample of this alloy is 12 g, what is the weight of zinc?

1. 6.5 g

2. 6 g

3. 7.5 g

4. 7 g

Q.

The length of a rope is 2 m and its diameter is 1 mm. The ratio of length of the rope to its diameter is

1. 200:1

2. 1:2000

3. 2000:1

4. 2:1