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Sashha Chakrabarty from Vidyashilp Academy, Bangalore
Subject :IMO    Class : Class 8

Both a and b vary inversely with each other, when a = 6 and b = 21, then which of the following is a possible pair of corresponding values?

A12 and 7
B9 and 14
C18 and 14
D12 and 18


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