exam
Maths Puzzle
Numerical Ability
(d^2-7d)/(14-2d)
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exam Other Question
perform the indicated operation
4y/y^2 + 6y + 5 + 2y/y^2 - 1
matthew is 3 times as old as jenny. In 7 years he will be twice as old as she will be then. How old is each now?