In a class, there are ' z ' students. Out of them x are boys. What p – McqOptions

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1.	In a class, there are ' z ' students. Out of them x are boys. What part of the class is composed of girls?
A.	$$1-{x over z} $$
B.	$${x over z}-1 $$
C.	$${x over z} $$
D.	$${z over x} $$
Answer» B. $${x over z}-1 $$

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