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)  

Poongodi pasted a rectangular picture on a cardboard measuring 40 cm by 48 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:_______________




2)  

Nandini pasted a rectangular picture on a cardboard measuring 45 cm by 63 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




3)  

Indra pasted a rectangular picture on a cardboard measuring 53 cm by 54 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)  

Pavi pasted a rectangular picture on a cardboard measuring 63 cm by 46 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




5)  

Haritha pasted a rectangular picture on a cardboard measuring 75 cm by 65 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

cm2


Answer:_______________




6)  

Selvanayaki pasted a rectangular picture on a cardboard measuring 63 cm by 37 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:_______________




7)  

Mithra pasted a rectangular picture on a cardboard measuring 47 cm by 32 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:_______________




8)  

Pavi pasted a rectangular picture on a cardboard measuring 32 cm by 61 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:_______________




9)  

Ponnalagu pasted a rectangular picture on a cardboard measuring 46 cm by 36 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:_______________




10)  

Tulasi pasted a rectangular picture on a cardboard measuring 70 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)  

Poongodi pasted a rectangular picture on a cardboard measuring 40 cm by 48 cm.
A 2 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 336 cm2


SOLUTION 1 :

Step 1: 40 cm x 48 cm = 1920 cm2

Step 2: 40 - 2 - 2 = 36 cm

Step 3: 48 - 2 - 2 = 44 cm

Step 4: 36 cm x 44 cm = 1584 cm2

Step 5: 1920 cm2 - 1584 cm2 = 336 cm2

The area of the cardboard not covered by the picture 336 cm2.



2)  

Nandini pasted a rectangular picture on a cardboard measuring 45 cm by 63 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 612 cm2


SOLUTION 1 :

Step 1: 45 cm x 63 cm = 2835 cm2

Step 2: 45 - 3 - 3 = 39 cm

Step 3: 63 - 3 - 3 = 57 cm

Step 4: 39 cm x 57 cm = 2223 cm2

Step 5: 2835 cm2 - 2223 cm2 = 612 cm2

The area of the cardboard not covered by the picture 612 cm2.



3)  

Indra pasted a rectangular picture on a cardboard measuring 53 cm by 54 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: 53 cm x 54 cm = 2862 cm2

Step 2: 53 - 5 - 5 = 43 cm

Step 3: 54 - 5 - 5 = 44 cm

Step 4: 43 cm x 44 cm = 1892 cm2

Step 5: 2862 cm2 - 1892 cm2 = 970 cm2

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



4)  

Pavi pasted a rectangular picture on a cardboard measuring 63 cm by 46 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 618 cm2


SOLUTION 1 :

Step 1: 63 cm x 46 cm = 2898 cm2

Step 2: 63 - 3 - 3 = 57 cm

Step 3: 46 - 3 - 3 = 40 cm

Step 4: 57 cm x 40 cm = 2280 cm2

Step 5: 2898 cm2 - 2280 cm2 = 618 cm2

The area of the cardboard not covered by the picture 618 cm2.



5)  

Haritha pasted a rectangular picture on a cardboard measuring 75 cm by 65 cm.
A 3 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 804 cm2


SOLUTION 1 :

Step 1: 75 cm x 65 cm = 4875 cm2

Step 2: 75 - 3 - 3 = 69 cm

Step 3: 65 - 3 - 3 = 59 cm

Step 4: 69 cm x 59 cm = 4071 cm2

Step 5: 4875 cm2 - 4071 cm2 = 804 cm2

The area of the cardboard not covered by the picture 804 cm2.



6)  

Selvanayaki pasted a rectangular picture on a cardboard measuring 63 cm by 37 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 736 cm2


SOLUTION 1 :

Step 1: 63 cm x 37 cm = 2331 cm2

Step 2: 63 - 4 - 4 = 55 cm

Step 3: 37 - 4 - 4 = 29 cm

Step 4: 55 cm x 29 cm = 1595 cm2

Step 5: 2331 cm2 - 1595 cm2 = 736 cm2

The area of the cardboard not covered by the picture 736 cm2.



7)  

Mithra pasted a rectangular picture on a cardboard measuring 47 cm by 32 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 568 cm2


SOLUTION 1 :

Step 1: 47 cm x 32 cm = 1504 cm2

Step 2: 47 - 4 - 4 = 39 cm

Step 3: 32 - 4 - 4 = 24 cm

Step 4: 39 cm x 24 cm = 936 cm2

Step 5: 1504 cm2 - 936 cm2 = 568 cm2

The area of the cardboard not covered by the picture 568 cm2.



8)  

Pavi pasted a rectangular picture on a cardboard measuring 32 cm by 61 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 680 cm2


SOLUTION 1 :

Step 1: 32 cm x 61 cm = 1952 cm2

Step 2: 32 - 4 - 4 = 24 cm

Step 3: 61 - 4 - 4 = 53 cm

Step 4: 24 cm x 53 cm = 1272 cm2

Step 5: 1952 cm2 - 1272 cm2 = 680 cm2

The area of the cardboard not covered by the picture 680 cm2.



9)  

Ponnalagu pasted a rectangular picture on a cardboard measuring 46 cm by 36 cm.
A 4 cm border was left all around the picture.
What is the area of the cardboard not covered by the picture 

Answer: 592 cm2


SOLUTION 1 :

Step 1: 46 cm x 36 cm = 1656 cm2

Step 2: 46 - 4 - 4 = 38 cm

Step 3: 36 - 4 - 4 = 28 cm

Step 4: 38 cm x 28 cm = 1064 cm2

Step 5: 1656 cm2 - 1064 cm2 = 592 cm2

The area of the cardboard not covered by the picture 592 cm2.



10)  

Tulasi pasted a rectangular picture on a cardboard measuring 70 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: 920 cm2


SOLUTION 1 :

Step 1: 70 cm x 32 cm = 2240 cm2

Step 2: 70 - 5 - 5 = 60 cm

Step 3: 32 - 5 - 5 = 22 cm

Step 4: 60 cm x 22 cm = 1320 cm2

Step 5: 2240 cm2 - 1320 cm2 = 920 cm2

The area of the cardboard not covered by the picture 920 cm2.