exam
Maths Puzzle
Numerical Ability
subtract 4 1/4 - 1 1/3
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exam Other Question
question 1: 120% of y is 42. what is y
question 2: 300% of m is 600. waht is h
question 3: what percent is 54 of 60
question 4: what percent is 39 of 50
6x-4y+5z=31
5x+2y+2z=13
x_y + z =2
i got x= 46-y-8z, but i'm not sure if thats right i need help...