Question

1. Which of the following is not a rational number :

(a)

11

17 (b)

160

0

(c) 117 (d)

1

5

2

2. Find the sum :

(i)

3 2

16 8 (ii)

–3 9

25 20 (iii)

–1 1

–

5 3 (iv)

1 –5 2

12 36

3. (i) What is the additive inverse of

–7

11 ?

(ii) What is the multiplicative inverse of

3 1 2

11 3 ?​

Answer 1

Answer:

first 0 second 200-7 CAD to INR versus 7