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1

Aaron’s monthly income is $550 and him savings is $250. Find savings to expenses ratio.

2

Out of 208 students in a class, 80 are boys. Find boys to girls ratio.

3

Length and breadth of a rectangular field are 220 feet and 80 feet respectively. Find the ratio of length to breadth of the field.

4

Out of 48 students in a class, 15 prefer football, 21 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

5

There are 160 teachers in a school of 3240 students. Find number of teachers to number of students ratio.

6

In a city of 11760 people, 5670 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

7

Jonathan’s monthly income is $650 and him savings is $260. Find savings to expenses ratio.

8

Out of 220 students in a class, 80 are boys. Find boys to girls ratio.

9

Length and breadth of a rectangular field are 162 feet and 54 feet respectively. Find the ratio of length to breadth of the field.

10

Out of 98 students in a class, 7 prefer football, 49 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Answers Key

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1

Aaron’s monthly income is $550 and him savings is $250. Find savings to expenses ratio.

Savings to expenses ratio = 5:6

Solution

Aaron's Income = $550

Savings = $250

Expenses = 550 - 250 = 300

∴ savings to expenses ratio = 250:300 = 5:6

Savings = $250

Expenses = 550 - 250 = 300

∴ savings to expenses ratio = 250:300 = 5:6

2

Out of 208 students in a class, 80 are boys. Find boys to girls ratio.

Boys to girls ratio = 5:8

Solution

Total Number of students = 208

boys = 80

girls = 208 - 80 = 128

∴ Boys to girls ratio = 80:128 = 5:8

boys = 80

girls = 208 - 80 = 128

∴ Boys to girls ratio = 80:128 = 5:8

3

Length and breadth of a rectangular field are 220 feet and 80 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio 11:4

Solution

Length of a rectangular field = 220

breadth of a rectangular field = 80

∴ Length to breadth ratio = 220:80 = 11:4

breadth of a rectangular field = 80

∴ Length to breadth ratio = 220:80 = 11:4

4

Out of 48 students in a class, 15 prefer football, 21 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio = 5:4

Solution

Total Number of students = 48

Number of students prefer football = 15

Number of students prefer baseball = 21

Number of students prefer tennis =48 - (15 + 21) = 12

∴ Number of students who prefer football to number of students who prefer tennis ratio = 15:12 = 5:4

Number of students prefer football = 15

Number of students prefer baseball = 21

Number of students prefer tennis =48 - (15 + 21) = 12

∴ Number of students who prefer football to number of students who prefer tennis ratio = 15:12 = 5:4

5

There are 160 teachers in a school of 3240 students. Find number of teachers to number of students ratio.

number of teachers to number of students ratio = 4:81

Solution

Total Number of teachers = 160

Total Number of students = 3240

∴ Number of teachers to number of students ratio = 160:3240 = 4:81

Total Number of students = 3240

∴ Number of teachers to number of students ratio = 160:3240 = 4:81

6

In a city of 11760 people, 5670 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

Government employees to self-employed ratio = 27:29

Solution

Number of people in the city = $11760

Number of Government employees = $5670

Self employed = 11760 - 5670 = 6090

∴ Government employees to self-employed ratio = 5670:6090 = 27:29

Number of Government employees = $5670

Self employed = 11760 - 5670 = 6090

∴ Government employees to self-employed ratio = 5670:6090 = 27:29

7

Jonathan’s monthly income is $650 and him savings is $260. Find savings to expenses ratio.

Savings to expenses ratio = 2:3

Solution

Jonathan's Income = $650

Savings = $260

Expenses = 650 - 260 = 390

∴ savings to expenses ratio = 260:390 = 2:3

Savings = $260

Expenses = 650 - 260 = 390

∴ savings to expenses ratio = 260:390 = 2:3

8

Out of 220 students in a class, 80 are boys. Find boys to girls ratio.

Boys to girls ratio = 4:7

Solution

Total Number of students = 220

boys = 80

girls = 220 - 80 = 140

∴ Boys to girls ratio = 80:140 = 4:7

boys = 80

girls = 220 - 80 = 140

∴ Boys to girls ratio = 80:140 = 4:7

9

Length and breadth of a rectangular field are 162 feet and 54 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio 3:1

Solution

Length of a rectangular field = 162

breadth of a rectangular field = 54

∴ Length to breadth ratio = 162:54 = 3:1

breadth of a rectangular field = 54

∴ Length to breadth ratio = 162:54 = 3:1

10

Out of 98 students in a class, 7 prefer football, 49 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio = 1:6

Solution

Total Number of students = 98

Number of students prefer football = 7

Number of students prefer baseball = 49

Number of students prefer tennis =98 - (7 + 49) = 42

∴ Number of students who prefer football to number of students who prefer tennis ratio = 7:42 = 1:6

Number of students prefer football = 7

Number of students prefer baseball = 49

Number of students prefer tennis =98 - (7 + 49) = 42

∴ Number of students who prefer football to number of students who prefer tennis ratio = 7:42 = 1:6