exam
Maths Puzzle
Numerical Ability
solve.
{5x+ 2y=28 and 3x-4y=48
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exam Other Question
factor
4x^2-12x+5
3x^2-5x-2
This problem was on a pre-employment exam.
If 6 men can do a piece of work in 14 days, how many men are needed to do the work in 21 days?