exam Maths Puzzle Numerical Ability

Find the area of a circle with the radius 4.

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exam Other Question

The table lists data regarding the average salaries of several professional athletes in the years 1991 and 2001.
a) Use the data points to find a linear function that fits the da the sum of the last two digits of a three digit counting number is 7. the sum of the first two digits is 5. the middle digit is 4 times the first digit. what is the number?