Q. On a number line, when we add a positive integer, we
-
(A)
move to the right
-
(B)
move to the left
-
(C)
do not move at all
-
(D)
none of these.
β
Correct Answer: (A)
move to the right
Q. On a number line, when we add a negative integer, we
-
(A)
move to the right
-
(B)
move to the left
-
(C)
do not move at all
-
(D)
none of these.
β
Correct Answer: (B)
move to the left
Q. On a number line, when we subtract a positive integer, we
-
(A)
move to the right
-
(B)
move to the left
-
(C)
do not move at all
-
(D)
none of these.
β
Correct Answer: (B)
move to the left
Q. On a number line, when we subtract a negative integer, we
-
(A)
move to the right
-
(B)
move to the left
-
(C)
do not move at all
-
(D)
none of these.
β
Correct Answer: (A)
move to the right
Q. When two positive integers are added, we get
-
(A)
a positive integer
-
(B)
a negative integer
-
(C)
sometimes a positive integer, sometimes a negative integer
-
(D)
none of these.
β
Correct Answer: (A)
a positive integer
Q. When two negative integers are added, we get
-
(A)
a positive integer
-
(B)
a negative integer
-
(C)
sometimes a positive integer, sometimes a negative integer
-
(D)
none of these.
β
Correct Answer: (B)
a negative integer
Q. Which of the following statements is wrong?
-
(A)
When a positive integer and a negative integer are added, we always get a negative integer
-
(B)
Additive inverse of 8 is (-8)
-
(C)
Additive inverse of (-8) is 8
-
(D)
For subtraction, we add the additive inverse of the integer that is being subtracted, to the other integer.
β
Correct Answer: (A)
When a positive integer and a negative integer are added, we always get a negative integer
Q. Which of the following is true?
-
(A)
(- 8) + (- 4) > (- 8) β (- 4)
-
(B)
(- 8) + (- 4) < (- 8) β (- 4)
-
(C)
(-8) + (- 4) = (- 8) β (- 4)
-
(D)
none of these.
β
Correct Answer: (B)
(- 8) + (- 4) < (- 8) β (- 4)
Q. The product of two negative integers is
-
(A)
a positive integer
-
(B)
a negative integer
-
(C)
either a positive integer or a negative integer
-
(D)
none of these.
β
Correct Answer: (A)
a positive integer
Q. The product of three negative integers is
-
(A)
a positive integer
-
(B)
a negative integer
-
(C)
either a positive integer or a negative integer
-
(D)
none of these.
β
Correct Answer: (B)
a negative integer
Q. (-1) Γ (-1) Γ (-1) Γ β¦β¦β¦ 10 times is equal to
-
(A)
1
-
(B)
-1
-
(C)
1 or -1
-
(D)
none of these.
Q. (-1) Γ (-1) Γ (-1) Γ β¦β¦.. 5 times is equal to
-
(A)
1
-
(B)
-1
-
(C)
1 or -1
-
(D)
none of these.
β
Correct Answer: (B)
-1
Q. (-1) Γ (-1) Γ (-1) Γ β¦β¦ 2 m times, where m is a natural number, is equal to
-
(A)
1
-
(B)
-1
-
(C)
1 or -1
-
(D)
none of these.
Q. (-1) Γ (-1) Γ (-1) Γ (2m + 1) times,
where m is a natural number, is equal to
-
(A)
1
-
(B)
-1
-
(C)
1 or -1
-
(D)
none of these.
β
Correct Answer: (B)
-1
Q. (-20) Γ (-5) is equal to
-
(A)
100
-
(B)
β 100
-
(C)
20
-
(D)
5
β
Correct Answer: (A)
100
Q. (-30) Γ 20 is equal to
-
(A)
600
-
(B)
-600
-
(C)
50
-
(D)
10.
β
Correct Answer: (B)
-600
Q. 10 Γ (-20) is equal to
-
(A)
200
-
(B)
-200
-
(C)
30
-
(D)
20
β
Correct Answer: (B)
-200
Q. (-2) Γ 1 is equal to
-
(A)
2
-
(B)
-2
-
(C)
1
-
(D)
-1
β
Correct Answer: (B)
-2
Q. 1 Γ 6 is equal to
-
(A)
6
-
(B)
-6
-
(C)
1
-
(D)
-1
Q. 4 Γ (-1) is equal to
-
(A)
4
-
(B)
-4
-
(C)
1
-
(D)
-1
β
Correct Answer: (B)
-4
Q. (-10) Γ 0 Γ (-15) is equal to
-
(A)
0
-
(B)
10
-
(C)
15
-
(D)
150
Q. The integer whose product with (-1) is 0, is
-
(A)
1
-
(B)
-1
-
(C)
0
-
(D)
none of these
Q. The integer whose product with (-1) is 1, is
-
(A)
-1
-
(B)
1
-
(C)
0
-
(D)
none of these.
β
Correct Answer: (A)
-1
Q. 10 Γ· (-5) is equal to
β
Correct Answer: (C)
-2
Q. (-6) Γ· (-3) is equal to
Q. (-5) Γ· 1 is equal to
-
(A)
5
-
(B)
-5
-
(C)
1
-
(D)
-1
β
Correct Answer: (B)
-5
Q. (-9) Γ· (-1) is equal to
-
(A)
1
-
(B)
9
-
(C)
-1
-
(D)
-9
Q. If 16 Γ· x = 16, then x is equal to
Q. If (-50) Γ· x = 1, then x is equal to
-
(A)
1
-
(B)
50
-
(C)
-50
-
(D)
10
β
Correct Answer: (C)
-50
Q. If x Γ· 1 = 8, then x is equal to
-
(A)
8
-
(B)
1
-
(C)
-8
-
(D)
-1
Q. The additive identity for integers is
-
(A)
1
-
(B)
-1
-
(C)
0
-
(D)
none of these.
Q. The multiplicative identity for integers is
-
(A)
1
-
(B)
-1
-
(C)
0
-
(D)
none of these.
Q. a Γ (b + c) = a Γ b + a Γ c is called
-
(A)
commutative property
-
(B)
associative property
-
(C)
distributive property
-
(D)
closure property.
β
Correct Answer: (C)
distributive property
Q. Manish deposits Rs 2000 in his bank account and withdraws Rs 1000 from it, the next day. Find the balance in Manishβs account after the withdrawal.
-
(A)
Rs 2000
-
(B)
Rs 3000
-
(C)
Rs 1000
-
(D)
none of these.
β
Correct Answer: (C)
Rs 1000
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