Ratio

In a certain room, there are 28 women and 21 men. What is the ratio of men to women?

• 4 : 3

• 3 : 4

• 4 : 5

• 5 : 4

In a group, the ratio of doctors to lawyers is 5:4. If the total number of people in the group is 72, what is the number of lawyers in the group?

• 32

• 40

• 72

• 79

If the ratio of chocolates to ice-cream cones in a box is 5:8 and the number of chocolates is 30, the number of ice-cream cones....

• 6

• 24

• 35

• 48

There are 17 boys and 19 girls in a class. The ratio of

the number of boys to the numbers of girls

• 19 : 17

• 17 : 19

• 17 : 36

• 19 : 36

500 g : 1.5 kg = ....

• 1 : 30

• 5 : 15

• 500 : 3000

• 15 : 3000

0.12 : 0.56 = ....

• 14 : 56

• 12 : 13

• 6 : 13

• 3 : 14

Given that 3x : 9 = 7 : 3, the value of x is ....

• 4

• 5

• 6

• 7

If x : y = 10 : 8 and y : z = 6 :10, so x : z = ....

• 3 : 14

• 7 : 2

• 3 : 4

• 28 : 30

A sum of money is divided among David, Mathew and Andrew in the ratio 6 : 4 : 5. After David gives $30 to Mathew and $15 to Andrew, the ratio become 7 : 6 : 7. the total amount of money David had initially is ....

• $360

• $432

• $450

• $500

An air conditioner is priced at $900. Mr. Jocep buys the air conditioner on hire purchase according to the following terms : a downpayment of 20% in the remaining to be paid in monthly instalments over 4 years at a simple interest rate 10% per annum.

the monthly instalment is ....

• $1188

• $288

• $100

• $21