IMO Level 1 Mathematics Olympiad (SOF) Class 6: Questions 638  639 of 1059
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Question number: 638
MCQ▾
Question
40 peoples having same height stand with both hands stretched all along the sides of a squared room, each student covering a length of 2.5 m. Then the perimeter of the room is
Choices
Choice (4)  Response  

a.  10 km 

b.  150 m 

c.  1500 km 

d.  100 m 

Question number: 639
MCQ▾
Question
Find the area of unshaded part of the figure.
Choices
Choice (4)  Response  

a.  78 sq. cm 

b.  52 sq. cm 

c.  68 sq. cm 

d.  45 sq. cm 
