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Bunuel
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Active GMAT Club Expert! Tag them with @ followed by their username for a faster response.
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The representation of the given problem is as follows :

x = yz + r

x - r = yz
y= (x - r) / z

Correct Option : D
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USe the theory here => Q*Di+R = Dividend
Smash that D
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x = yz + r
y = (x - r)/z answer D
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\(x = zy+r\)
\(zy = x - r\)
\(y = \frac{x - r}{z}\)

Ans - D.
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When x is divided by y, the quotient is z with remainder r

Theory: Dividend = Divisor*Quotient + Remainder

x -> Dividend
y -> Divisor
z -> Quotient
r -> Remainder

=> x = y*z + r = yz + r
=> yz = x - r
=> y = \(\frac{x - r }{z}\)

So, Answer will be D
Hope it helps!

Watch the following video to learn the Basics of Remainders

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