Question

1. The product of a rational number and its reciprocal is ______________

2. ___________ should be added to to get .

3. The additive inverse of is ______________

4. Z

9 X Z3 X Z-6 = __________________

5. The multiplicative inverse of a rational number is also called its _____________

6. __________ least number must 21600 be multiplied so as to make it a perfect cube .

7.

X

= __________________

8. The angles of quadrilateral are (5x)0 , (3x+10)0 , (6x-20)0 and (x+ 25)0 . Then value of x is

____________

9. In a parallelogram PQRS, ∠P - ∠R = b and ∠P + ∠Q = a. Then the value of a and b are

______________ respectively

10. The value of 4x3

- 3 x2 + 5x -6 when x= 3 is ______________​

Answer 1

Answer:

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