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Subject :IMO    Class : Class 5

How many of the shapes must be shaded so that 4/5 of the figure is unshaded?


A 5
B 10
C 15
D 20


Ans 1:

Class : Class 5
a

Ans 2:

Class : Class 5
The answer is A

Ans 3:

Class : Class 5
A

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