Two numbers X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less t

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Q 2412645530.     Two numbers X and Y are respectively 20% and 28%
less than a third number Z. By what percentage is the
number Y less than the number X ?
IAS 2010 Prelims
A

8%

B

9%

C

10%

D

12%

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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