International Maths Olympiad Forum By SOF Olympiad Trainer - Page 79

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 8

State ‘T’ for true and ‘F’ for false.
(i) If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
(ii) If x and y are in inverse proportion then (x + 2) and (y + 2) are also in inverse proportion.
(iii) Two quantities x and y are said to vary directly with each other if = k, where k is a positive constant.
(iv) When distance is kept fixed, then speed and time vary inversely with each other.

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


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Class : Class 8

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 8

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