Nat 5 Apps: Ratio and Proportion

Simplify the ratio

24:38

(a)  

Simplify the ratio

156:88

(a)  

Simplify the ratio

100:140:125

(a)  

0.5 : 4

(a)  

In a zoo there is a ratio of penguins to monkeys of 8:7. If there are 91 monkeys, how many penguins are there?

• 104 penguins

• 120 penguins

• 112 penguins

• 56 penguins

In a dance class the ratio of boys to girls in 2:7. If there is 10 boys, how many are in the dance studio altogether?

• 35

• 50

• 45

• 60

Three brothers Tim, Ben and Stuart have wages of the proportion 12:13:11. If Ben is paid £58500 a year, how much do Tim and Stuart make added together?

• 162000

• 124000

• 103500

• 115000

Karen and Shona both work at a restaurant, Karen worked 40 hours this week and Shona worked 60 hours.

The tips is shared depending on how many hours they work. There was £95 worth of tips, how much did Shona make?

• £43

• £57

• £65

• £41

Clare is paid per hour and works 24 hours one week and is paid £297.60. How much will she make in a week that she works 34 hours?

• £381.40

• £318.40

• £391.44

• £421.60

It takes 3 painters 42 hours to paint a street of houses. How long would it take 4 painters to do the same job?

• 28.5 hours

• 30 hours

• 32 hours

• 31.5 hours