Civil Service Arithmetic Ability Practice Test Results

Question 1
43% answer correctly
What is the index in \\(\\sqrt[3]64\\) ?
\\(\\sqrt{ }\\)
64
3
4
Question 2
65% answer correctly
What`s the least common multiple (LCM) of 7 and 8?
7 and 8 have no common multiples
28
224
56
Question 3
46% answer correctly
If \\(a = \\frac{8}{9}\\) then \\(\\frac{1}{a}\\) = ?
8
\\(\\frac{8}{9}\\)
\\(\\frac{9}{8}\\)
9