p ∝ q when ‘r’ remains unchanged and p ∝ 1/r when q remains u – McqOptions

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1.	p ∝ q when ‘r’ remains unchanged and p ∝ 1/r when q remains unchanged. If r = 4 when p = 10 and q = 8, what is the value of r when p = 15 and q = 9?
A.	1
B.	2
C.	3
D.	6
Answer» D. 6

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