Civil Service Arithmetic Ability Practice Test Results

Question 1
43% answer correctly
What is the index in \\(\\sqrt[3]64\\) ?
3
64
\\(\\sqrt{ }\\)
4
Question 2
65% answer correctly
What`s the least common multiple (LCM) of 7 and 8?
224
7 and 8 have no common multiples
28
56
Question 3
62% answer correctly
Solve for n: \\(8n - 4 = 10\\)
48
1.75
112
0.75