Rate (Primary-IV)

Andy is paid $20 for working 4 hours.How much is he paid per hour?

• $4

• $5

• $6

A machine makes toy cars at rate of 120 per minute. How many toy cars will it make in 6 minutes?

• 20 toy cars

• 12 toy cars

• 720 toy cars

Water is flowing from a tap at the rate of 100 litres every 4 minutes. Find the rate of flow of water in litres per minute.

• 25 L

• 400 L

• 140 L

A lamp can flash 5 times per minute. At this rate, how many times can it flash in 30 minutes.

• 6 times

• 150 times

• 35 times

A machine fills 60 bottles of syrup in 5 minutes. How many bottles of syrup can it fill in one minute?

• 12 bottles

• 300 bottles

• 65 bottles

Ma Ma types 45 words per minutes. At this rate, how long will she take to type 135 words?

• 1/45 minutes

• 135 minutes

• 3 minutes

A photocopier can print 12 copies in 48 seconds. At this rate, how many copies can it print in 1 minute?

• 15 copies

• 4 copies

• 120 copies

A car can travel 96 km on 8 litres of petrol.

(a) How far can the car travel on 15 litres of petrol?

(b) How much petrol will be used if the car travels a distance of 120 km ?

• (a) 12 Km (b) 10 L

• (a) 180 km (b) 10 L

• (a) 180 km (b) 12 L

The cost of cementing 30 square meter of floor area is $ 810. How much will it cost to cement 55 square meter of floor area?

• $ 1845

• $ 270

• $ 1485

Pinky's heart beats at the rate of 152 times every 2 minutes. At this rate, how many times does it beat in 30 minutes?

• 2280 times

• 76 times

• 304 times