Subject :IMO Class : Class 8
Subject :IMO Class : Class 7
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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
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Subject :IMO Class : Class 8
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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 7
Ans 2:
Class : Class 9
The answer should be B since getting at least one tail has a probability of 2/4 and simplifying it we will get 1/2
Ans 11:
Class : Class 7
The answer must be 1/2in two coins there are total 4 possibilities of head n tailout of which 2 possibilities are of tail hence it'll be 2/4 which is equal to 1/2