Subject :IMO Class : Class 4
Subject :IMO Class : Class 8
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Subject :IMO Class : Class 7
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Subject :IMO Class : Class 4
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Subject :IMO Class : Class 6
Ans 11:
Class : Class 7
15 is the correct answer because with 'a' we can get 5 with 'b' 4 with 'c' 3 with 'd' 2 and with 'e' we get 1 so total angles equals 155 4 3 2 1=15
Ans 20:
Class : Class 7
How about angle AOF? If we consider this then number of angles should be 15.
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Subject :IMO Class : Class 8
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 5
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Subject :IMO Class : Class 3