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Sarah Nawalkar from Rajhans Vidhyalaya, Mumbai

Subject :IMO Class : Class 5

The area of the floor of a rectangular hall is 80 sq. m. What is its perimeter if its length is 10 m?

A 8 m
B 18 m
C 30 m
D 36 m

Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura

Class : Class 7