exam
Maths Puzzle
Numerical Ability
The average speed for the first 36 miles was 12mph. The average speed for the next 45 miles was 15mph. What should be the average speed for the next 54 miles so that the overall average speed would be 15mph?
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exam Other Question
solve and show the equation used for the solution.
The length of a rectangle is 2 in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of the rectangle.
What is the range and the first and third quartiles of the data set?
14,16,12,15,22,18,16,10,12
A. 22, 12, 17
B. 22, 15, 17
C. 12, 12, 17
D. 12, 12, 15