exam
Maths Puzzle
Numerical Ability
(3,_),(_,-1),2x-3y=5
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exam Other Question
When x number of units are sold, the price of each unit (in dollars) is given by P=-x/2+75. Find the unit price when the following quantities are sold: 2,7,9,11.
Twenty men did 1/4 of a job in eight days. Then it became necessay to complete the job in the next five days. How many additional men were added to the crew of twenty to accomplish this task?