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Subject :IMO    Class : Class 4

A boy has a square paper sheet. He cuts four identical rectangles from each corner of the sheet. What is the total length of boundary of the remaining part of the sheet?


A 144 cm
B 48 cm
C 72 cm
D 60 cm


How did this happen ?

Ans 1:

Class : Class 4

Ans 2:

Class : Class 7

Ans 3:

Class : Class 4

Ans 4:

Class : Class 4
Ccvhvnffh

Ans 5:

Class : Class 7
I think it should be B.

Ans 6:

Class : Class 5
read properly; it says he cut the rectangles, so it becomes a square. therefore, 12into4= 48

Ans 7:

Class : Class 6
answer is d

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7

Ans 10:

Class : Class 5
52cm is perimeter

Ans 11:

Class : Class 4
How did This happen ?

Ans 12:

Class : Class 5

Ans 13:

Class : Class 4
Answer should be 52 that is perimeter

Ans 14:

Class : Class 8
answer is B

Ans 15:

Class : Class 7
But there are more 2 cm lines. The answer should be greater than 48.

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