Civil Service Arithmetic Ability Practice Test Results

Question 1
48% answer correctly
\\(3^9 \\times 3^3\\) = ?
\\(3^{3.00}\\)
\\(3^{6}\\)
\\(3^{12}\\)
\\(3^{27}\\)
Question 2
50% answer correctly
If x = 4, what`s the value of \\(5x^3 + 7x^2 - 9x - 7\\) ?
165
389
403
65
Question 3
53% answer correctly
Which of the following is a prime number?
46
9
31
116