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

52

The numerical value of (x +9)(x +2) is 44 when x =2

64

If the arithmetic mean for values 9,4,5,x is 5 then x=....

65

if the arithmetic mean for the values x-1, x , x+1 is 6 then x=..

66

if the arithmetic mean for the degree of five students is 20 degree then the sum of their degrees is

67

the median value for the set of numbers 4 , 8 , 3 is

68

the median for the set of values 6,2,5,4,1 is

69

if the order of the median for a set of values is the fourth ,then the number of the values equals

70

if the order of the median of a set of values is the fourth , fifth then the number of the values equals

72

The value of the median = the order of the median

73

The order of the median can be positive or negative

74

The value of the median may be fraction or negative integer

75

The mode for the set of values 14, 11, 12,11,14,15,11 is

76

The mode for the colors :red ,yellow, red ,white , black , red and white

77

if the mode of the values 15, 9, x +1, 9, 15 then x=

78

what of the following numbers is the arithmetic mean for the other values

79

If all given values are different ,then there is no mode for these values