Quiz : Rational Numbers

There are 10 questions in this quiz. Answer all the questions and comment how many you got correct with something about yourself.

Which of the following is not equivalent to 3/7

-15/-35
15/35
6/14
-9/21


1/4 is written with denominator -16, has numerator

4
-4
2
-2


If -5/9 = -20/x then x is equal to

-36
40
+36
-27


The reciprocal of -1/5 is ______

-5
5
1/2
1


-15/-45 in standard form is written as:

-1/3
1/(-3)
1/3
-1/4


Additive inverse of -1/5 is :

-(1/5)
1/5
1/2
1


Multiplicative inverse of -6/5 is :

5/(-6)
5/6
-1/2
1


2/3 × 1 is equal to :

3/2
-2/3
2/3
0


3/4 + 1/2 is equal to :

(a) 5/4
(b) 1(1/4)
(c) 0
(d) a and b both


Reciprocal of 0 is

0
does not exist
1
-1