Rates, Ratio and Proportion

2 ; 3 =m 14 : y . Find y

• 21

• 7

• 42

• 6

15x : 64 = 45 : 32. Find x

• 2880

• 480

• 6

• 675

27/3 = x/2. Find x

• 18

• 54

• 6

• 9

x/7 = 3/ 21. Find x

• 21

• 1

• 7

• 62

If 4 bars of soap cost $25.50. What is the cost of 8 bars of soap ?

• $102

• $51

• $204

• $105

If a satellite travels 19500 km in 3hrs. How far does it travel in 7 hrs ?

• 45500

• 21

• 2785.7

• 500

Helen types 136 words in 4 minutes. How long will it take her to type 3400 words ?

• 40 mins

• 60 mins

• 1 hr 20 mins

• 1 hr 40 mins

A train travelled 720 km in 9 hrs. How far would it travel in 11 hrs ?

• 880 km

• 99 km

• 80 km

• 65.45 km

If a typist types 900 words in 1 hour, her rate of typing is .......... words per minute.

• 15

• 5

• 20

• 25

If a man pays $6000 as rent for 3 months, the rental rate is ....... dollars per month.

• 200

• 1000

• 500

• 2000