Question

Q. 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.

Q. 2 Fill in the blanks:
(i) The product of a number and its product is _________.
(ii) The rational number _________ has no reciprocal.
(iii) The reciprocal of the reciprocal of a number is _________.
(iv) The rational number _________ is neither positive nor negative.
(v) _________ is the only rational number which is equal its additive inverse.
2. Write:
(i) A rational number which has no reciprocal.
(ii) A rational number whose product with a given rational number is equal to the given rational number.​

Answer 1

Answer:

I don't know

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