6th Standard Maths Practice Set 28 Answers Chapter 11 Ratio-Proportion
6th Standard Maths Practice Set 28 Question 1.
In each example below, find the ratio of the first number to the second:
i. 24, 56
ii. 63,49
iii. 52, 65
iv. 84, 60
v. 35, 65
vi. 121, 99
Solution:
i. 24, 56
= 3:7
ii. 63,49
= 9:7
iii. 52, 65
= 4:5
iv. 84, 60
= 7:5
v. 35, 65
= 7:13
vi. 121, 99
= 11:9
6th Maths Practice Set 28 Question 2.
Find the ratio of the first quantity to the second.
i. 25 beads, 40 beads
ii. Rs 40, Rs 120
iii. 15 minutes, 1 hour
iv. 30 litres, 24 litres
v. 99 kg, 44000 grams
vi. 1 litre, 250 ml
vii. 60 paise, 1 rupee
viii. 750 grams, kg
ix. 125 cm, 1 metre
Solution:
i. Required Ratio =
ii. Required Ratio =
iii. 1 hour = 60 minutes
Required Ratio =
iv. Required Ratio =
v. 99 kg = 99 x 1000 grams = 99000 grams
Required Ratio =
=
vi. 1 litre, 250 ml
1 litre = 1000 ml
Required Ratio =
=
viii. 750 grams, kg
kg = grams = 500 grams
Required Ratio =
=
ix. 125 cm, 1 metre
1 metre = 100 cm
Required Ratio =
6th Std Maths Practice Set 28 Question 3.
Reema has 24 notebooks and 18 books. Find the ratio of notebooks to books.
Solution:
Ratio of notebooks to books
∴ The ratio of notebooks to books with Reema is
Practice Set 28 Question 4.
30 cricket players and 20 kho-kho players are training on a field. What is the ratio of cricket players to the total number of players?
Solution:
Total number of players = Cricket players + Kho-kho players
= 30 + 20 = 50
Ratio of cricket players to the total number of players
∴ The ratio of cricket players to the total number of players is .
11 Ratio Question 6.
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the following ratios.
i. Ratio of Shubham’s age today to his mother’s age today.
ii. Ratio of Shubham’s mother’s age today to his father’s age today.
iii. The ratio of Shubham’s age to his mother’s age when Shubham was 10 years old.
Solution:
Shubham’s age today = 12 years
Shubham’s father’s age = 42 years
Shubham’s mother age = Shubham’s father’s age – 6 years
= 42 years – 6 years = 36 years
i. Ratio of Shubham’s age today to his mother’s age today
∴ The ratio of Shubham’s age today to his mother’s age today is .
ii. Ratio of Shubham’s mother age today to his father’s age today
∴ The ratio of Shubham’s mother’s age today to his father’s age today is .
iii. Shubham’s age today is 12 years and his mothers age is 36 years.
Hence when Shubham’s age was 10 years, his mother’s age was 34 years (i.e. 36 – 2 years).
Ratio of Shubham’s age to his mother’s age when Shubham was 10 years old
∴ The ratio of Shubham’s age to his mother’s age when Shubham was 10 years old is
Maharashtra Board Class 6 Maths Chapter 11 Ratio-Proportion Practice Set 28 Intext Questions and Activities