exam
Maths Puzzle
Numerical Ability
The average of four numbers is 18. If one of the four numbers, 25, is taken away, what is the average of the remaining three numbers?
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exam Other Question
Which ordered pair is a solution to 3x-4y=-1?
Determine whether the following equations have a solution or not? Justify your answer
(7)1/2y2 - 6y - 13(7)1/2 = 0