International Maths Olympiad Forum By SOF Olympiad Trainer - Page 48

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Subject :IMO    Class : Class 5

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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 9

Read the statements carefully.
Statement-1 : The product of a rational and an irrational number is an irrational number.
Statement-2 : Reciprocal of every rational number is a rational number. Which of the following options hold?

ABoth Statement-1 and Statement-2 are true.
BStatement-1 is true but Statement-2 is false.
CStatement-1 is false but Statement-2 is true.
DBoth Statement-1 and Statement-2 are false.


option d) should be the answers as 0*(irrational number) is still 0

Ans 1:

Class : Class 9
d

Ans 2:

Class : Class 9
i really need to say, just as 0, 0/0 being undefined is an exception, isn't 0*any irrational number apply to first rule? it is rational, and we are saying it only on one circumstance

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 9

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
Sorry D

Ans 2:

Class : Class 8
It is A.

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

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