International Maths Olympiad Forum By SOF Olympiad Trainer - Page 351

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 7

State 'T' for true and 'F' for false
(i) Every rational number can be expressed with a positive numerator.
(ii) cannot be represented as a non-terminating repeating decimal.
(iii)If are two terminating decimals, then is also a terminating decimal.
(iv) If is a non-terminating repeating decimal and is a terminating decimal, then is a terminating decimal.

(i) (ii) (iii) (iv)
A F F F T
B F T F T
C T F T F
D T F F T


can you explain this answer

Ans 1:

Class : Class 4
3/11 is a repeating decimal 0.27272727272727272727272727272727272727272727272727272727727272727272727272727272727272727272727272727272727272727

Ans 2:

Class : Class 8

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
multiply 4 by 3 as mentioned then multiply that by 9 and get the answer

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
108

Ans 4:

Class : Class 7
By means, it supposed to take 4 as numerator and 9 as denominator I guess

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
This is Distributive property

Ans 2:

Class : Class 6

Ans 3:

Class : Class 7
Just had to do 104*27

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 8
Teddy's comb as it is 20 rupees. 10 rupees will be left with her

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Subject :IMO    Class : Class 6

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