International Maths Olympiad Forum By SOF Olympiad Trainer - Page 37

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Subject :IMO    Class : Class 7

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Class : Class 7
(2/5 x 1/4 x 3/7) x a = 15 6/140 x a = 15 a = (15 x 140)/6 = 2100/6 = 350 to find: a/2 a/2 = 350/2 = 175 So ans is C

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Subject :IMO    Class : Class 9

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Class : Class 9
D.6 sq.units

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Subject :IMO    Class : Class 8

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Class : Class 9
There are 12 picture cards and 40 non picture cards so probability of non picture card is 40/52= 10/13

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Subject :IMO    Class : Class 6

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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 5

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Class : Class 5

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Class : Class 5

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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 6

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