Scroll:Fraction >> Four Operations of Fractions >> ps (380)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

Moorthi spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $456 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




2)  

Indra spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $480 for herself.

a) What fraction of her salary did she have left

b) How much was her salary

$ ___


Answer:_______________




3)  

Sriram spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $792 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




4)  

Murugan spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $464 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




5)  

Thamarai spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $590 for herself.

a) What fraction of her salary did she have left

b) How much was her salary

$ ___


Answer:_______________




6)  

Murugan spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $444 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




7)  

Murugan spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $792 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




8)  

Ovini spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $570 for herself.

a) What fraction of her salary did she have left

b) How much was her salary

$ ___


Answer:_______________




9)  

Sriram spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $894 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




10)  

Raj spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $448 for himself.

a) What fraction of his salary did he have left

b) How much was his salary

$ ___


Answer:_______________




 

1)  

Moorthi spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $456 for himself.

a) What fraction of his salary did he have left

Answer: 415

b) How much was his salary

Answer: $1710


SOLUTION 1 :
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$456 left

(a)

Step 1: 1x53x5+2x35x3 = 5 15+615

                             = 1115

Step 2: 1515-1115=415

(b)

Step 3: 4 units = $456

                1 unit = $456 ÷ 4

                           = $114

Step 4: 15 units= 15 x $114

                             =$1710



2)  

Indra spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $480 for herself.

a) What fraction of her salary did she have left

Answer: 512

b) How much was her salary

Answer: $1152


SOLUTION 1 :



 

 

 

 

 

 

 

 

 

 

 

 





 

 


Spent




 

 


Sister




 

 


$480 left





(a)


Step 1: 1x34x3+1x43x4 = 3 12+412


                              = 712


 Step 2: 1212-712 = 512


(b)


Step 3: 5 units = $480


              1 unit = $480 ÷ 5


                         = $96


Step 4: 12 units= 12 x $96


                             =$1152



3)  

Sriram spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $792 for himself.

a) What fraction of his salary did he have left

Answer: 16

b) How much was his salary

Answer: $4752


SOLUTION 1 :
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$792 left

(a)

Step 1: 1x32x3+1x23x2 = 3 6+26

                        = 56

Step 2: 6 6 -56=16

(b)

Step 3: 1 unit = $792

Step 4: 6 units= $792 x 6

                       =$4752



4)  

Murugan spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $464 for himself.

a) What fraction of his salary did he have left

Answer: 415

b) How much was his salary

Answer: $1740


SOLUTION 1 :
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$464 left

(a)

Step 1: 1x53x5+2x35x3 = 5 15+615

                             = 1115

Step 2: 1515-1115=415

(b)

Step 3: 4 units = $464

                1 unit = $464 ÷ 4

                           = $116

Step 4: 15 units= 15 x $116

                             =$1740



5)  

Thamarai spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $590 for herself.

a) What fraction of her salary did she have left

Answer: 512

b) How much was her salary

Answer: $1416


SOLUTION 1 :



 

 

 

 

 

 

 

 

 

 

 

 





 

 


Spent




 

 


Sister




 

 


$590 left





(a)


Step 1: 1x34x3+1x43x4 = 3 12+412


                              = 712


 Step 2: 1212-712 = 512


(b)


Step 3: 5 units = $590


              1 unit = $590 ÷ 5


                         = $118


Step 4: 12 units= 12 x $118


                             =$1416



6)  

Murugan spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $444 for himself.

a) What fraction of his salary did he have left

Answer: 16

b) How much was his salary

Answer: $2664


SOLUTION 1 :
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$444 left

(a)

Step 1: 1x32x3+1x23x2 = 3 6+26

                        = 56

Step 2: 6 6 -56=16

(b)

Step 3: 1 unit = $444

Step 4: 6 units= $444 x 6

                       =$2664



7)  

Murugan spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $792 for himself.

a) What fraction of his salary did he have left

Answer: 415

b) How much was his salary

Answer: $2970


SOLUTION 1 :
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$792 left

(a)

Step 1: 1x53x5+2x35x3 = 5 15+615

                             = 1115

Step 2: 1515-1115=415

(b)

Step 3: 4 units = $792

                1 unit = $792 ÷ 4

                           = $198

Step 4: 15 units= 15 x $198

                             =$2970



8)  

Ovini spent 14 of her salary on electronic devices and gave 13 of her salary to her sister. In the end, she was left with $570 for herself.

a) What fraction of her salary did she have left

Answer: 512

b) How much was her salary

Answer: $1368


SOLUTION 1 :



 

 

 

 

 

 

 

 

 

 

 

 





 

 


Spent




 

 


Sister




 

 


$570 left





(a)


Step 1: 1x34x3+1x43x4 = 3 12+412


                              = 712


 Step 2: 1212-712 = 512


(b)


Step 3: 5 units = $570


              1 unit = $570 ÷ 5


                         = $114


Step 4: 12 units= 12 x $114


                             =$1368



9)  

Sriram spent 12 of his salary on electronic devices and gave 13 of his salary to his sister. In the end, he was left with $894 for himself.

a) What fraction of his salary did he have left

Answer: 16

b) How much was his salary

Answer: $5364


SOLUTION 1 :
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$894 left

(a)

Step 1: 1x32x3+1x23x2 = 3 6+26

                        = 56

Step 2: 6 6 -56=16

(b)

Step 3: 1 unit = $894

Step 4: 6 units= $894 x 6

                       =$5364



10)  

Raj spent 13 of his salary on food and gave 25 of his salary to his sister. In the end, he was left with $448 for himself.

a) What fraction of his salary did he have left

Answer: 415

b) How much was his salary

Answer: $1680


SOLUTION 1 :
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Spent
 
 
Sister
 
 
$448 left

(a)

Step 1: 1x53x5+2x35x3 = 5 15+615

                             = 1115

Step 2: 1515-1115=415

(b)

Step 3: 4 units = $448

                1 unit = $448 ÷ 4

                           = $112

Step 4: 15 units= 15 x $112

                             =$1680