International Maths Olympiad Forum By SOF Olympiad Trainer - Page 348

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Subject :IMO    Class : Class 5

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15 rectangles = 24 min 25 sec 15x2 = 30 30 rectangles = 2x 24 min 25 sec = 48 min 50 sec.

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(B):   Perimeter of rectangular field = 2 ( 25 + 12 ) = 2 x 37 = 74 m
Total distance Pranav jogged = 74 x 9/2 = 333 m


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c 36 explanation ------ 1:4 9:16 sooooooo 4:9:16 4x+9x+16x = 116 29x =116 x = 116/29 x = 4 the second number is 9x that is 9*4=36

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