chapter 12 Ratio and proportion class VI

In a class, there are 20 boys and 40 girls. What is the ratio of number of boys to total number of students?

• 20:60

• 20:40

• 40:60

• 20:40

Find the ratio of 60 minutes to 2.5 hours.

• 1:5

• 10:25

• 1:25

• 60:25

Cost of dozen book is Rs 180 and cost of 8 notebook is Rs 56. Find the ratio of cost of book to cost of a notebook.

• 10:7

• 180:56

• 15:7

• None of the above

Present age of mother is 45 years and that of her daughter is 15 years. find the ratio of age of mother to the age of daughter when mother was 35 years old?

• 7:1

• 5:1

• 10:1

• 45:15

Determine which of the following are in proportion: (a) 30, 40, 45, 60 (b) 15, 2, 10, 3

• (a) and (b) both

• (b)

• (a)

• None of the above

Which of the following is not in proportion: (a) 25cm:1m and Rs 40:Rs160 (b) 39 litres : 65 litres and 6 bottles : 10 bottles (c) 2 kg : 80 kg and 25 g : 625 g (d) 200 ml : 2.5 litres and Rs 4 : Rs 50

• (a)

• (b)

• (c)

• (d)

If the cost of 8 can of water is Rs 240, then what will be the cost of 5 cans of water?

• Rs 150

• Rs 100

• Rs 180

• Rs 120

A motorbike travels 230 km in 5 litres of petrol. How much distance will it cover in 1.5 liters of petrol?

• 20 km

• 30 km

• 24 km

• 18 km

Cost of 105 envelopes is Rs 35. How many envelopes can be purchased for Rs 10?

• 20

• 30

• 40

• 50

A car travels 90 km in 2.5 hours. Find the distance covered in 2 hours with same speed.

• 72 km

• 84 km

• 48 km

• 60 km