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1. Which of the following is not a prime number? 1, 7, 11, 13

2.

Find median of 21, 3, 9, 6, 56, 24, and 4

3. The sum of first four prime numbers is:

4. A rectangular field ABCD has a flower garden which is 18 feet by 6 feet. If the garden covers 30 percent of the field, what is the area, in square feet, of the field?

5. (1+√3)(1-√3)=