International Maths Olympiad Forum By SOF Olympiad Trainer - Page 29

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 5

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Class : Class 5
Answer is 1/4 as 1hr + 2hr + 1hr 30mins + 1hr 30mins = 6hrs. In mins = 6 x 60 = 360 , 1 x 60 = 60 + 30 = 90. 360mins divided by 90 mins = 4 or 1/4 of 360mins or 6 hrs.

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 5

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Class : Class 5
Answer is A. or I as the figure(presenting with dots and asterisk) is not symmetrical. . . * . * * * * . * * . . . . . If we choose A or I then it will have a line of symmetry. . * * . * * * * . * * . . . . . The line of symmetry will go through the middle.

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 7

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