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Subject :IMO    Class : Class 5

A big rectangle is made up of 81 small rectangles. After removing some small rectangles from the big rectangle, the adjoining figure is obtained. The length of a small rectangle is 3 cm and its breadth is 2 cm. Find the total area of the rectangles removed.



A 81 sq. cm
B 114 sq. cm
C 129 sq. cm
D 90 sq. cm


Couldn't understand this question. Can you please explain how is it 19 rectangles removed

Ans 1:

Class : Class 7
B is the answer to this question , Swarnava Pal

Ans 2:

Class : Class 4
Can you please explain the answer ?

Ans 3:

Class : Class 6
area of 1 small rectangle = 3*2 =6 sq. cm.Total cards removed = 19 so ,19*6= 114 sq. cm.

Ans 4:

Class : Class 6
I can explain those squares you see? sof refers to them by saying small rectangles. 5are in moth

Ans 5:

Class : Class 8
but the figure is not proper .

Ans 6:

Class : Class 7
can you please tell me how you got 19. Harshit Solanki from Dps, Indore.area of 1 small rectangle = 3*2 =6 sq. cm.Total cards removed = 19 so ,19*6= 114 sq. cm.

Ans 7:

Class : Class 5
Figure is not proper.

Ans 8:

Class : Class 5

Ans 9:

Class : Class 6

Ans 10:

Class : Class 6

Ans 11:

Class : Class 5

Ans 12:

Class : Class 8

Ans 13:

Class : Class 7

Ans 14:

Class : Class 5
Bis the answer

Ans 15:

Class : Class 4

Ans 16:

Class : Class 6

Ans 17:

Class : Class 5
please tell me how do you guys know that 19 rectangles were removed.

Ans 18:

Class : Class 5

Ans 19:

Class : Class 6

Ans 20:

Class : Class 8

Ans 21:

Class : Class 4
HOW DID YOU GET 19 rectangles

Ans 22:

Class : Class 6

Ans 23:

Class : Class 5
14 rectangles are removed not 19 because figure is not proper

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