exam Maths Puzzle Numerical Ability

Find the distance between the points A(4,-3) and B(-4,3).

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exam Other Question

Suppose $2500 is invested at 7.5% per year compounded quarterly. What is the amount after 5 years? The following pie chart represents the eye color of students in a certain class.

OTHER = 17%
BLUE = 33%
BROWN = 50%

If there were 50 students in the class, how many students had brown eyes?