Exam

Exam
1.   -3/5 is a:

 a) Whole Number b) Rational Number c) Natural Number d) All of them

2.   121/11 is a:

 a) Rational Number b) Natural Number c) Whole Number d) All of them

3.- The irreducible fraction equivalent to 735/1050 is:

 a) 7/10 b) 73/105 c) 5/7 d) 2/3

4.- The irreducible fraction equivalent to 360/300 is:

 a) 36/30 b) 5/6 c) 6/5 d) None of them

5.- The lowest common multiple of 2, 6, 12 and 16 is:

 a) 16 b) 32 c) 24 d) 48

6. 4/7 is:

 a) greater than 3/5 b) lower than 3/5 c) greater than or equal to 3/5 d) None of them

7.- The inverse of -2 is:

 a) 2 b) 1/2 c) -1/2 d) -1/-2

8.- The hierarchy of operations is:

 a) Parenthesis, multiplication and division, powers and roots, addition and subtraction b) Parenthesis, powers and roots, multiplication and division, addition and subtraction c) Parenthesis, powers and roots, addition and subtraction, multiplication and division d) Parenthesis, multiplication and division, addition and subtraction, powers and roots

9. (-2)-2 equals:

 a) 1/4 b) -1/4 c) -4 d) 4

10. (2/3)-3 equals:

 a) 8/27 b) 27/8 c) -6/9 d) -27/8