Scroll:Measurement >> Area >> saq (543)

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)  

Ponnalagu pasted a rectangular picture on a cardboard measuring 55 cm by 42 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




2)  

Mithra pasted a rectangular picture on a cardboard measuring 42 cm by 65 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




3)  

Swathi pasted a rectangular picture on a cardboard measuring 44 cm by 63 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




4)  

Selvanayaki pasted a rectangular picture on a cardboard measuring 48 cm by 72 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




5)  

Chellamal pasted a rectangular picture on a cardboard measuring 46 cm by 46 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




6)  

Mithra pasted a rectangular picture on a cardboard measuring 32 cm by 37 cm.
A 2 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




7)  

Ramani pasted a rectangular picture on a cardboard measuring 68 cm by 47 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




8)  

Keerthi pasted a rectangular picture on a cardboard measuring 47 cm by 71 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




9)  

Tamilselvi pasted a rectangular picture on a cardboard measuring 56 cm by 72 cm.
A 2 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




10)  

Haritha pasted a rectangular picture on a cardboard measuring 72 cm by 32 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




 

1)  

Ponnalagu pasted a rectangular picture on a cardboard measuring 55 cm by 42 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 712 cm2


SOLUTION 1 :

Step 1: 55 cm x 42 cm = 2310 cm2

Step 2: 55 - 4 - 4 = 47 cm

Step 3: 42 - 4 - 4 = 34 cm

Step 4: 47 cm x 34 cm = 1598 cm2

Step 5: 2310 cm2 - 1598 cm2 = 712 cm2

The area of the cardboard not covered by the picture 712 cm2.



2)  

Mithra pasted a rectangular picture on a cardboard measuring 42 cm by 65 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 792 cm2


SOLUTION 1 :

Step 1: 42 cm x 65 cm = 2730 cm2

Step 2: 42 - 4 - 4 = 34 cm

Step 3: 65 - 4 - 4 = 57 cm

Step 4: 34 cm x 57 cm = 1938 cm2

Step 5: 2730 cm2 - 1938 cm2 = 792 cm2

The area of the cardboard not covered by the picture 792 cm2.



3)  

Swathi pasted a rectangular picture on a cardboard measuring 44 cm by 63 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 970 cm2


SOLUTION 1 :

Step 1: 44 cm x 63 cm = 2772 cm2

Step 2: 44 - 5 - 5 = 34 cm

Step 3: 63 - 5 - 5 = 53 cm

Step 4: 34 cm x 53 cm = 1802 cm2

Step 5: 2772 cm2 - 1802 cm2 = 970 cm2

The area of the cardboard not covered by the picture 970 cm2.



4)  

Selvanayaki pasted a rectangular picture on a cardboard measuring 48 cm by 72 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 896 cm2


SOLUTION 1 :

Step 1: 48 cm x 72 cm = 3456 cm2

Step 2: 48 - 4 - 4 = 40 cm

Step 3: 72 - 4 - 4 = 64 cm

Step 4: 40 cm x 64 cm = 2560 cm2

Step 5: 3456 cm2 - 2560 cm2 = 896 cm2

The area of the cardboard not covered by the picture 896 cm2.



5)  

Chellamal pasted a rectangular picture on a cardboard measuring 46 cm by 46 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 672 cm2


SOLUTION 1 :

Step 1: 46 cm x 46 cm = 2116 cm2

Step 2: 46 - 4 - 4 = 38 cm

Step 3: 46 - 4 - 4 = 38 cm

Step 4: 38 cm x 38 cm = 1444 cm2

Step 5: 2116 cm2 - 1444 cm2 = 672 cm2

The area of the cardboard not covered by the picture 672 cm2.



6)  

Mithra pasted a rectangular picture on a cardboard measuring 32 cm by 37 cm.
A 2 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 260 cm2


SOLUTION 1 :

Step 1: 32 cm x 37 cm = 1184 cm2

Step 2: 32 - 2 - 2 = 28 cm

Step 3: 37 - 2 - 2 = 33 cm

Step 4: 28 cm x 33 cm = 924 cm2

Step 5: 1184 cm2 - 924 cm2 = 260 cm2

The area of the cardboard not covered by the picture 260 cm2.



7)  

Ramani pasted a rectangular picture on a cardboard measuring 68 cm by 47 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 1050 cm2


SOLUTION 1 :

Step 1: 68 cm x 47 cm = 3196 cm2

Step 2: 68 - 5 - 5 = 58 cm

Step 3: 47 - 5 - 5 = 37 cm

Step 4: 58 cm x 37 cm = 2146 cm2

Step 5: 3196 cm2 - 2146 cm2 = 1050 cm2

The area of the cardboard not covered by the picture 1050 cm2.



8)  

Keerthi pasted a rectangular picture on a cardboard measuring 47 cm by 71 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 1080 cm2


SOLUTION 1 :

Step 1: 47 cm x 71 cm = 3337 cm2

Step 2: 47 - 5 - 5 = 37 cm

Step 3: 71 - 5 - 5 = 61 cm

Step 4: 37 cm x 61 cm = 2257 cm2

Step 5: 3337 cm2 - 2257 cm2 = 1080 cm2

The area of the cardboard not covered by the picture 1080 cm2.



9)  

Tamilselvi pasted a rectangular picture on a cardboard measuring 56 cm by 72 cm.
A 2 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 496 cm2


SOLUTION 1 :

Step 1: 56 cm x 72 cm = 4032 cm2

Step 2: 56 - 2 - 2 = 52 cm

Step 3: 72 - 2 - 2 = 68 cm

Step 4: 52 cm x 68 cm = 3536 cm2

Step 5: 4032 cm2 - 3536 cm2 = 496 cm2

The area of the cardboard not covered by the picture 496 cm2.



10)  

Haritha pasted a rectangular picture on a cardboard measuring 72 cm by 32 cm.
A 5 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 940 cm2


SOLUTION 1 :

Step 1: 72 cm x 32 cm = 2304 cm2

Step 2: 72 - 5 - 5 = 62 cm

Step 3: 32 - 5 - 5 = 22 cm

Step 4: 62 cm x 22 cm = 1364 cm2

Step 5: 2304 cm2 - 1364 cm2 = 940 cm2

The area of the cardboard not covered by the picture 940 cm2.