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Maths Puzzle
Numerical Ability
-3/4 multiplied by -4/5
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solve /x/= 7
^absolute value
and...
solve /x/= -9
and...
solve and graph /x+5/<= 2
Two pipes simultaneously function to fill a tank in 12 hours.If one pipe takes 10 hours less than the other ,find the time taken by the two pipes.