# Rational Numbers-MCQ

MCQs
Rational Numbers
1.  What should be added to -5/4 to get -1?
I.   -1/4
II.   1/4
III.   1
IV.   -3/4
2.  What should be subtracted from -5/4 to get -1?
I.   -1/4
II.   1/4
III.   1
IV.   -3/4
3.  Which of the following is the identity element?
I.   1
II.   -1
III.   0
IV.   None of these
4.  Which of the following is the Multiplicative identity for rational numbers?
I.   1
II.   -1
III.   0
IV.   None of these
5.  Which of the following is neither appositive nor a negative rational number?
I.   1
II.   0
III.   Such a rational number doesn�t exist
IV.   None of these
6.  Which of the following lies between 0 and -1?
I.   0
II.   -3
III.   -2/3
IV.   4/3
7.  Which of the following is the reciprocal of �a�?
I.   �a
II.   a
III.   1/a
IV.   -1/a
8.  Which of the following is the product of 7/8 and -4/21?
I.   -1/6
II.   1/12
III.   -16/63
IV.   -147/16
9.  Which of the following is the product of (-7/8) and 4/21?
I.   -1/6
II.   12
III.   -63/16
IV.   -16/147
10.  Which of the following is the reciprocal of the reciprocal of a rational number?
I.   -1
II.   1
III.   0
IV.   The number itself