Rational Numbers Question Answers Test-1
Subjective Test
Question 1 ( 1.0 marks)
Are rational numbers closed under division? Give reasons in support of your answer.
Question 2 ( 1.0 marks)
Fill in the blanks:
(a) The reciprocal of the rational number a/b, (a,b is not equal to 0) is __________. (1/2 mark)
(b) The rational number __________ has no multiplicative inverse. (1/2 mark)
Question 3 ( 1.0 marks)
Is 
the multiplicative inverse of 0.71? Give reason in support of your answer.
the multiplicative inverse of 0.71? Give reason in support of your answer.
Question 4 ( 1.0 marks)
Name the property under multiplication used in the expression.
Question 5 ( 1.0 marks)
Using property of multiplication, find the value of the expression.
Question 6 ( 2.0 marks)
(a) Define a rational number. (1 mark)
(b) Are rational numbers closed under subtraction? Give reasons. (1 mark)
Question 7 ( 2.0 marks)
Find the additive inverse of the multiplicative inverse of the expression.
Question 8 ( 3.0 marks)
Find seven rational numbers between −1 and 1 and represent them on the number line.
Question 9 ( 3.0 marks)
(a) State distributive property of multiplication over addition and subtraction for rational numbers. (1 mark)
(b) Using the property under multiplication, simplify the expression
. (2 marks)
. (2 marks)
Question 10 ( 6.0 marks)
(a) Find eight rational numbers between -7/5 and 3/4. (2 marks)
(b) Find four rational numbers between 1/9 and 1/3. (2 marks)
(c) How many rational numbers are there between 3 and 4? Write any two of them. (2 marks)
