Math Rate

A school fill with 1430 students. Consist of 858 boys and 572 girls.

What is the ratio of boys to girls?

• 3:2

• 2:3

• 10:6

• 12:8

A school fill with 1430 students. Consist of 858 boys and 572 girls.

What is the ratio of the school students to the boys?

• 10:1

• 5:3

• 10:6

• 6:10

A school fill with 1430 students. Consist of 858 boys and 572 girls.

What is the ratio of school fill with students to girls?

• 5:2

• 10:4

• 4:10

• 10:5

If a ∶ b = 10 ∶ 12 and b ∶ c = 16 ∶ 22, find a ∶ b ∶ c

• 40:48:66

• 80:75:70

• 66:48:40

• 48:40:70

Eggs, flour and sugar are mixed in the

ratio 10: 20: 40 by mass to bake a cake. If

the mass of cake is 700 g, find the

mass of each ingredient?

• Eggs=100 g

  Flour=250g

  Sugar=0,4kg

• Eggs=0,1 kg

  Flour=0,2kg

  Sugar=0,4kg

• Eggs=100g

  Flour=0,2 kg

  Sugar=450g

• Eggs=0,1kg

  Flour=200g

  Sugar0,45kg

Abie ran 200 m in 20 seconds. Give your answer in m/s

• 10m/s

• 10.5m/s

• 12m/s

• 15m/s

10l of water cost $5. What is the rate in ml/$ ?

• 200ml/$

• 2000ml/$

• 200ml/$

• 20000

A technician took 7 hours to complete a job. He charged $196 for the service. What is his hourly wage?

• 28$

• 2.8$

• 29$

• 2.88$

a man took 7 hours to complete ajob. He charged $196 for the service. What is his service charged for 8.5 hours work?

• 238$

• 2380

• 238.0001$

• 23.8$

What is the average speed ,if an average speed of a car for first 10 hours of its journey is 100 km/h. For the next 10 hours the average speed of the car is 90 km/h.

• 100km/h

• 95km/h

• 9.5km/h

• 95.0km/h