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Percentages

Q32. If x % o...

Question

Q32. If x% of y is 100 and y% of z is 200, then find a relation between x and z.

(a) $z = \frac{x}{2}$

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(b) z=2x

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(d) z=4x

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Solution

The correct option is B
(b) z=2x

$x % o f y = 100 y % o f z = 200 x y = 10000, y z = 20000 \frac{x y}{y z} = \frac{10000}{20000} = \frac{1}{2} Z = 2 x$

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