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UK JUNIOR MATHEMATICAL CHALLENGE
THURSDAY 26th APRIL 2012
Organised by the United Kingdom Mathematics Trust
from the School of Mathematics, University of Leeds
Question 25
The interior angles of a triangle are (5x 3y) ,
(3x 20) and (10y 30) , where x, y are positive integers.
What is the value of x y ?
A 15 B 14 C 13 D 12 E 11
So, given the full question, my answer is invalid.
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