Equivalent Ratios

Q.

The following table gives the quantity of petrol and its cost

$\begin{array}{ccccc}NoofLitresofPetrol& \text{10}& \text{15}& \text{20}& \text{25}\\ CostofPetrolinRs.& \text{500}& \text{750}& \text{1000}& \text{1250}\end{array}$

Plot a graph to show the data.

Q.

Reduce the given ratio to its simplest form:

$\text{2 hours : 1 hour 20 minutes}$

1. 3:2
2. 2:3
3. 3:9
4. 9:4

Q.

What are the common factors of 10pq, 20qr, 30 rp

Q.

Equivalent ratio of 7: 6 is :

1. 14: 12

2. 2: 18

3. 28: 26

4. 30: 25

Q.

The approximate speed of some vehicles are given below. Draw a bar graph to represent them.
$\begin{array}{cccccc}Nameofobjects& Bicycle& Scooter& Car& Bus& Train\\ Speed\left[inkm/hr\right]& \text{10}& \text{40}& \text{60}& \text{50}& \text{80}\end{array}$

Q.

The ratio of $2kgto200g$

1. $10:1$

2. $100:1$

3. $1:10$

4. $1:1$

Q.

Are the ratios$1:2$ and $2:3$ equivalent?

Q.

Which ratio is greater: $2:3or3:5$

Q.

The ratio of one day to one week is

1. 7:1

2. 1:30

3. 1:7

4. 1:1

Q.

Raju has $16$ red pens and $4$ blue pens. Find the ratio of red pens to blue pens.

Q.

Which ratio is greater $11:21or19:\hspace{0.17em}28$?

Q.

Compare the following ratio:

$3:4and9:16$

Q.

Write the following ratio in ascending order.

$13:36,8:9,15:18,\&9:24$

Q.

Write the following ratio in ascending order.

$42:24,13:16,\&5:3$

Q. If the cost of 15 pens of the same value is Rs 600, find the cost of -
(i) 20 pens (ii) 3 pens.

Q.

Which ratio is greater: $15:18or24:27$

Q.

Which ratio is smaller among :

13 :27, 17:33 , 146: 297, 157 : 297 ?

1. 157: 297

2. 17: 33

3. 13: 27

4. 146: 297

Q. Present age of a grandfather is 72 years, while his grandson's age is 12 years. After 8 years, what would be the ratio of grandfather's age to grandson's age?

1. 5 : 1
2. 6 : 1
3. 4 : 1
4. 9 : 1

Q.

The ratio of packets to biscuits is 2:16. Will 5 packets contain 30 biscuits?

Q.

Samira sells newspapers. on a particular day, she had $312$ newspapers out of which $216$ are in English and remaining in Hindi.

Find the ratio of the number of English newspapers to the number of Hindi newspapers.

Q.

The ratio of the least prime number to the least composite number is :

1. 2: 3

2. 1: 4

3. 1: 3

4. 1: 2

Q. Which is the equivalent ratio of 7:29 ?​

1. 29:7
2. 49:58
3. 70:80
4. 14:58

Q. Question 96

A photographer uses a computer program to enlarge a photograph. What is the scale according to which the width has enlarged?

Q. Mohanrao took 10 days to finish a book, reading 40 pages every day. How many pages must he read in a day to finish it in 8 days ?

Q. The length and the breadth of a rectangular plot are in the ratio 11:4. If it costs ₹45, 000 to fence the plot at a rate of ₹100 per metre, find the length of the plot (in metre).

1. 165

Q. Half the students of a class are dancing and three-fourths of the remaining are playing cricket. If the remaining 9 students are studying in the library, then find the total number of students in the class.

Q.

The length and breadth of a rectangular park are $150m$ and $85m$ respectively. What is the ratio of the length to the breadth of the park?

Q. Which of the following ratios is equivalent to 6 : 7?

1. 24 : 28
2. 28 : 24
3. 20 : 24
4. 35 : 47

Q. 2 equivalent ratios of 3:4
Are the ratios 6:8 and 9:12?

Q. In a town, an ice-cream parlour has displayed an ice-cream sculpture of height 360 cm. The parlour claims that these ice-creams and the sculpture are in the scale 1 : 30. What is the height of the ice-creams served?