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Subject :IMO    Class : Class 8

Fill in the blanks.
(i) The perimeter of circle and its diameter vary __P__ with each other.
(ii) If two quantities p and q vary inversely with each other then __Q__ of their corresponding values remain constant.
(iii) When x and y are in indirect proportion and if y doubles then x becomes __R__

P Q R
A Inversely Ratio Double
B Directly Product Half
C Inversely Ratio Double
D Directly Product Half


A and c , b and d are same.

Ans 1:

Class : Class 8
B and D are identical

Ans 2:

Class : Class 9
answer is both B and D

Ans 3:

Class : Class 8
How can they give they two same options and mark one wrong

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