exam Maths Puzzle Numerical Ability

28. Geometry. For the floor plans given in exercise 27, determine whether the side through the points (2, 3) and (11, 6) is perpendicular to the side through the points (2, 3) and

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exam Other Question

This is the second question to the one I already sent to you.
2.As you are leaving the community , you notice another new community just down the street. Because you are in the ar A batch consists of 12 defective coils and 88 good ones. Find the probability of getting two good coils when two coils are randomly selected if the first selection is replaced before the second is made.