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Maths Puzzle
Numerical Ability
Ralph spent 5/9 of an hour mixing paints and 7/9 of an hour painting. How much time in all did Ralph spend on his project?
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book Other Question
5(x+5)=25+5x
a) -5 b) 0 c) all real numbers d) no solution
Intersections and Unions
If p={-3,-2,0,1,5}
T={0,1,6,9}
and S={-3,1,6}
find T U S
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