Arithmetic 1

I have 16 pairs of shoes. 5 are stilettos the rest are flats. What porportion are flat?

• 11 out of 16

• 5 out of 16

Nick and Kate work a total of 36 hours in the ratio 4:5 How many hours does Nick work?

• 4

• 5

• 16

• 20

Mick, Ben and Jane are splitting a cash bonus of £1800 in the ratio of 3:4:5. How much will Ben receive?

• £400

• £450

• £600

• £750

Last week Ben spent his wages of £120 on going out and clothes in the proportion of 1:3. How much did he spend on going out?

• £100

• £300

• £30

• £60

The exchange rate was $15 for every £10. How many dollars would you get for £65?

• $67

• $95

• $87.5

• $97.5

The ratio of adults to children on a school trip is 1 : 15. How many adults must accompany the 3 classes of 30 children going to Blyth Sports Centre?

• 6

• 7

• 10

• 20

Three partners put the following amounts into a business; £14 000 £16 000 £18 000. What is the ratio of their shares in the simplest form?

• 1:2:4

• 3:5:7

• 6:7:8

• 7:8:9

What is the ratio of red to white tiles?

• 13 : 12

• 12 : 13

• 12 : 25

• 13 : 25

Simplify the following ratio 100 : 25 : 50

• 1 : 2 : 5

• 10 : 2.5 : 5

• 4 : 1 : 2

• 3 : 1 : 2

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

• 21%

• 17.37%

• 17.4%

• 21.02%