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## Thursday, 25 February 2021

### CBSE Class 7 Maths - MCQ and Online Tests - Unit 1 - Integers

#### CBSE Class 7 Maths – MCQ and Online Tests – Unit 1 – Integers

Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

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#### CBSE Class 7 Maths – MCQ and Online Tests – Unit 1 – Integers

Question 1.
(-30) × 20 is equal to
(a) 600
(b) -600
(c) 50
(d) 10.

Answer: (b) – 600

Question 2.
10 × (-20) is equal to
(a) 200
(b) -200
(c) 30
(s) 20

Question 3.
Which of the following statements is wrong?
(?) 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.

Answer: (?) When a positive integer and a negative integer are added, we always get a negative integer

Question 4.
Which of the following is true?
(?) (- 8) + (- 4) > (- 8) – (- 4)
(b) (- 8) + (- 4) < (- 8) – (- 4)
(c) (-8) + (- 4) = (- 8) – (- 4)
(d) none of these.

Answer: (b) (- 8) + (- 4) < (- 8) – (- 4)
Hint:
(-8) + (-4) = -12
(-8) – (-4) = -4

Question 5.
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.

Answer: (b) move to the left

Question 6.
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.

Answer: (a) move to the right

Question 7.
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.

Answer: (a) a positive integer

Question 8.
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.

Answer: (b) a negative integer

Question 9.
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.

Answer: (a) move to the right

Question 10.
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.

Answer: (b) move to the left

Question 11.
(-1) × (-1) × (-1) × …….. 5 times is equal to
(a) 1
(b) -1
(c) 1 or -1
(d) none of these.

Question 12.
(-1) × (-1) × (-1) × …… 2 m times, where m is a natural number, is equal to
(a) 1
(b) -1
(c) 1 or -1
(d) none of these.

Question 13.
(-1) × (-1) × (-1) × (2m + 1) times,
where m is a natural number, is equal to
(a) 1
(b) -1
(c) 1 or -1
(d) none of these.

Question 14.
(-20) × (-5) is equal to
(a) 100
(b) – 100
(c) 20
(d) 5.

Question 15.
3 × 0 is equal to
(a) 0
(b) 3
(c) 1
(d) -3

Question 16.
0 × (-5) is equal to
(a) 0
(b) 5
(c) -5
(d) 1.

Question 17.
10 ÷ (-5) is equal to
(a) 1
(b) 2
(c) -2
(d) 5.

Question 18.
(-6) ÷ (-3) is equal to
(a) 1
(b) 2
(c) 3
(d) 6.

Question 19.
(-2) × 1 is equal to
(a) 2
(b) -2
(c) 1
(d) – 1.

Question 20.
1 × 6 is equal to
(a) 6
(b) -6
(c) 1
(d) -1.

Question 21.
4 × (-1) is equal to
(a) 4
(b) -4
(c) 1
(d) – 1.

Question 22.
(-10) × 0 × (-15) is equal to
(a) 0
(b) 10
(c) 15
(d) 150.

Question 23.
The integer whose product with (-1) is 0, is
(a) 1
(b) -1
(c) 0
(d) none of these

Question 24.
The integer whose product with (-1) is 1, is
(a) -1
(b) 1
(c) 0
(d) none of these.

Question 25.
The multiplicative identity for integers is
(a) 1
(b) -1
(c) 0
(d) none of these.

Question 26.
a × (b + c) = a × b + a × c is called
(a) commutative property
(b) associative property
(c) distributive property
(d) closure property.

Answer: (c) distributive property

Question 27.
(-5) ÷ 1 is equal to
(a) 5
(b) -5
(c) 1
(d) -1.

Question 28.
(-9) ÷ (-1) is equal to
(a) 1
(b) 9
(c) -1
(d) -9.

Question 29.
If 16 ÷ x = 16, then x is equal to
(a) 1
(b) 2
(c) 4
(d) 16.

Question 30.
If (-50) ÷ x = 1, then x is equal to
(a) 1
(b) 50
(c) -50
(d) 10.

Question 31.
If x ÷ 1 = 8, then x is equal to
(a) 8
(b) 1
(c) -8
(d) -1.

Question 32.
The additive identity for integers is
(a) 1
(b) -1
(c) 0
(d) none of these.

Question 33.
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.

Answer: (a) a positive integer

Question 34.
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.

Answer: (b) a negative integer

Question 35.
(-1) × (-1) × (-1) × ……… 10 times is equal to
(a) 1
(b) -1
(c) 1 or -1
(d) none of these.