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Subject :IMO    Class : Class 7

In the given figure, the small rectangles in the rectangle PQRS are identical. What is the ratio of the shaded portion to the unshaded portion?


A 3 : 5
B 2 : 1
C 2 : 5
D 3 : 7


it should be (c) 2:5

Ans 1:

Class : Class 7

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