exam
Maths Puzzle
Numerical Ability
mixed practice 20 page 689
x y
- + -
2 3
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2 3
- - -
x y
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exam Other Question
Graph the inequality on a plane
4x+5y<=20
Problem with word problem, please Help!!
An auditorium has 13 doors numbered 1 through 13. In how many ways can a person enter through an even numbered door and leave through a