6

Every integer is a rational number

7

Every rational number has a multiplicative inverse

8

The multiplicative inverse of a rational number is an integer

9

Every rational number has an additive inverse

10

zero is a rational number

16

If 5a=45 and ab=1 then b=....

19

If water flows through a pipe at the rate of 2.5 liters per minute ,how many minutes will it take to fill three 20 liter containers

23

There is only one rational number that lies in the half way between any two rational numbers

34

The simplification of the expression 9a-4b-2c-5a+7b+3c is equal 4a+3b+c

39

what is decrease of -3ab than 2ab