exam
Maths Puzzle
Numerical Ability
the length of a leg of a right triangle is two times the length of the other, and the hypotenuse is 25.What is the length of the longer leg?
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exam Other Question
x to the 2nd + 7x + x to the 2nd - 4x
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x to the 2nd - 5x x to the 2nd - 5x
How many gallons of 32% solution must be mixed with 70 gallons of 47% solution to obtain a 42% solution?