Ratio and proportion

The cost of a pen is ₹ 10. The cost of a penci 1 is ₹ 2. How many times of the cost of a pencil is the cost of a pen?

• 5 times

• 2 times

• 10 times

• None of these

There are 30 boys and 20 girls in a class. The ratio of the number of girls to the number of boys is

• 2:3

• 3:2

• 2:5

• 3:5

The height of Apala is 150 cm. The height of Pari is 120 cm. The ratio of the height of Apala to the height of Pari is

• 4:5

• 5:4

• 5:2

• 4:1

The length and breadth of a rectangular park are 50 m and 40 m respectively. Find the ratio of the length to the breadth of the park

• 4:5

• 4:1

• 5:1

• 5:4

The ratio 40 cm to 1 m is

• 2:5

• 3:5

• 4:5

• 5:2

Which of the following ratios is equivalent to 2:3?

• 4:8

• 4:9

• 6:9

• 6:12

Find the ratio of number of circles and number of squares inside the following rectangle:

• 3:1

• 2:1

• 2:3

• 3:2

The ratio of 25 minutes to 1 hour is

• 7:5

• 5:12

• 12:5

• 5:7

The cost of 1 dozen bananas is ₹ 30. The cost of 6 oranges is ₹ 18. The ratio of the cost of a i banana to the cost of an orange is

• 3:2

• 2:3

• 6:5

• 5:6

Which of the following are in proportion?

• 2,3,20,30

• 3,4,15,18

• 1,3,11,22

• 2,5,40,80