Question

I. Solve the following. 4M

1. Set of rational numbers under addition which of the following

properties is hold.

2. Which of the following is not a rational number.

(a) 1 (b) 1.33.. (c) √5 (d) √9

3. Subtract ¾ from 1/3 is

(a) 5/12 (b) -5/12 (c) 13/12 (d) -13/12

4. Multiply 2/11 by the reciprocal of -5/14 is

(a)-10/154 (b) 28/55 (c) -28/55 (d) none.

II. Answer the following questions 6M.

5. The sum of two rational numbers is 8. If one of the numbers is -

5/6 find the other.

6. What numbers should be added to -5/8 so as to get -3/2?

7. Which properties can be used in computuing 2-5 x (5 x 7/6) +

1/3 x (3 x 4/11)​

Answer 1

Answer:

Ans 2) (b) 1.33.. is not a rational number.