If the sum of two integers a and b is zero, then

1

(a)

a=0, b=0

(b)

a = -b

(c)

Both (a) and (b) are not zero

(d)

None of these

The value of (-2) x (-1) x (1) is

1

(a)

1

(b)

3

(c)

-4

(d)

2

(-43) x (-99) + 43 is equal to

1

(a)

4300

(b)

-4300

(c)

4257

(d)

-4214

Next three consecutive numbers in the pattern 11, 8, 5, 2, ... are

1

(a)

0,-3, -4

(b)

-1, -5,-8

(c)

2, -5, -8

(d)

1, -4, -7

[(- 10) x (+ 9)] + (- 10) is equal to :

1

(a)

100

(b)

-100

(c)

80

(d)

-80

By observing the above number line. state which of the following statements is true.

1

(a)

B is 2

(b)

A is 4

(c)

B is -13

(d)

B is -4

The value of 5 ÷ (-1) does not lie between:

1

(a)

0 and -10

(b)

0 and 10

(c)

-4 and -15

(d)

-6 and 6

The absolute value of an integer is equal to the distance of that number, on the number line, from

1

(a)

-1

(b)

0

(c)

1

(d)

the opposite of that number.

The smallest positive integer _____

1

(a)

is 0

(b)

is 1

(c)

does not exist

The____integer is its own additive inverse

1

(a)

-1

(b)

1

(c)

0

Using >, < or =.
14 - 6  ____  2 + 4

1

(a)

>

Insert the correct sign = or \(\neq\) in the given blank space.
3 x [ 4 x (-5) ] _____ (-3) x (4 x 5)

1

(a)

3 x [ 4 x (-5) ] = (-3) x (4 x 5)

12 x (-5) = -(______x_______ ) = ________

1

(a)

-(12 x 5) = -60

[12 x (-7)] x 5 = ________ x [(-7) x ________ ]

1

(a)

12, 5

(-100) ÷ (-10) = ______

1

(a)

10

(-45) ÷ (-45) = ______

1

(a)

1

(105) - (-105) = _______

1

(a)

210

0 ____ 1

1

(a)

<

2 + 0 + (-28) = _______ + 0 + 2

1

(a)

-28

The product of _____ and (-1) is (-32).

1

(a)

32

1 \(\div\) a = 1 for any integer a

1

(a) True

(b) False

a \(\div\) (-1) = - a for any integer a. Take different values of a and check.

1

(a) False

(b) True

(a + b) x c = a x c + a x b

1

(a) True

(b) False

5 - (- 8) is same as 5 + 8.

1

(a) False

(b) True

(- 9) + (-11) is greater than (- 9) - (- 11).

1

(a) True

(b) False

Which temperature is lower: +5°C or -5°C?

1

(a)

-5°C

What is the sum of (-1) and 1?

1

(a)

0

What is the additive inverse of -101?

1

(a)

101