exam
Maths Puzzle
Numerical Ability
5n = 2 3/4
multiply 5n by 1/5 = n
multiply 2 3/4 by 1/5 = 11/4 time 1/5 equal 11/20
n=11/20
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exam Other Question
The profit, in thousands of dollars, of manufacturing x items is projected by: P(x)=2x-1/x , x>0 According to this projection the profit will never exceed ______.
Multiply. (5x + 9^)2