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Maths Puzzle
Numerical Ability
-7X=-21
-4n=-20
8c=-8
-10e=-30
20x=80
-7m=7
-2x=10
-3+m=-13
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book Other Question
Can anyone answer this?
There are two spinners, one is divided into thirds with green,
yellow and blue. The second spinner is divided into fourths with
blue, yellow, red and white.
find the theoretical probability of spinning blue on both.</PRE>
4(2a-1)=-10(a-5)