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## AP Board 7th Class Maths Bits 1st Lesson Integers

Multiple Choice Questions :

Question 1.
The collection of all whole numbers and negative numbers is called _______
(A) Whole numbers
(B) Integers
(C) Natural numbers
(D) All of the above
(B) Integers

Question 2.
Positive integers are represented by _______
(A) N
(B) Z
(C) Z+
(D) Z
(C) Z+

Question 3.
Negative number can be write on the number line at _______ side of zero.
(A) left
(B) right
(C) middle
(D) all of the above
(A) left

Question 4.
To add a positive integer, we move towards _______
(A) Left
(B) right
(C) middle
(D) all of the above
(B) right

Question 5.
The integer that represents the statement Aditya deposited ₹ 4000 in his savings accout _______
(A) -4000
(B) +4000
(C) A and B
(D) None of these
(B) +4000

Question 6.
Which is the smallest of the numbers – 15, -2, -6, -3, -4?
(A) -2
(B) -3
(C) -15
(D) -4
(C) -15 Question 7.
5 – (-7) = _______
(A) 2
(B) 35
(C) – 12
(D) 12
(D) 12

Question 8.
The value of 4 – (- 6) + (- 8) is _______
(A) 2
(B) – 10
(C) 18
(D) – 2
(A) 2

Question 9.
Product of two negative integers is _______
(A) Positive
(B) Negative
(C) Zero
(D) None
(A) Positive

Question 10.
Which is the nearest negative integer to zero ?
(A) + 2
(B) – 5
(C)-4
(D) – 2
(D) – 2

Question 11.
The idea of the product of negative numbers was first considered by
(B) Brahmagupta
(C) Aryabhatta
(B) Brahmagupta

Question 12.
Integer greater than – 231 _______
(A) – 540
(B) – 430
(C) – 235
(D) – 200
(D) – 200

Question 13.
Integer which is neither positive nor negative is _______
(A) 1
(B) 2
(C) 0
(D) – 2
(C) 0

Question 14.
If we represent all the integer on a vertical line, then the value of the number from top to bottom is _______
(A) Increases
(B) No change
(C) Decreases
(D) None
(C) Decreases

Question 15.
A submarine is in the sea at a depth of 1800 metres, sign to be used for the statement is _______
(A) – 1800
(B) + 1800
(C) A and B
(D) None
(A) – 1800

Question 16.
Additive inverse of (- a) is _______
(A) – a
(B) $$\frac{1}{a}$$
(C) a
(D) –$$\frac{1}{a}$$
(C) a

Question 17.
If we remove all the negative numbers from the set of integers, then it will become _______
(A) N
(B) W
(C) Z
(D) Z+
(B) W

Question 18.
Additive inverse of 78 is _______
(A) 78
(B) – 78
(C) $$\frac{1}{78}$$
(D) ± 78
(B) – 78 Question 19.
Subtract 30 from – 80.
(A) -110
(B) – 50
(C) –$$\frac{8}{3}$$
(D) – 2400
(A) -110

Question 20.
Ascending order of -4, 2, -6, 0, 5, -1, -3 _______
(A) -6, -4,-3, – 1, 0, 2, 5
(B) – 6, – 4, – 3, 2, – 1, 0, 5
(C) -6, 5, -4, -3, 2,-1,0
(D) 0, – 1, 2, -3, -4, 5, -6
(A) -6, -4,-3, – 1, 0, 2, 5

Question 21.
Z-{0, 1, 2, 3, ……….} = _______
(A) N
(B) W
(C) -1, -2, -3, ……..
(D) 1, 2, 3, 4, ……..
(C) -1, -2, -3, ……..

Question 22.
The symbol for belongs to is _______
(A) Φ
(B) ∃
(C) ∈
(D) ∀
(C) ∈

Question 23.
Multiplicative identity is _______
(A) 0
(B) – 1
(C) 1
(D) 2
(C) 1

Question 24.
a + 0 = 0 + a = _______
(A) a
(B) 0
(C) 2a
(D) -a
(A) a

Question 25.
For any integers a, b and c,
a × (b + c) = _______
(A) (a × c) + (c × b)
(B) (a × b) + (b × a)
(C) (b × c) + (a × c)
(D) (a × b) + (a × c)
(D) (a × b) + (a × c)

Question 26.
(- 1) × (- 1) × (-1) = _______
(A) – 3
(B) – 1
(C) -2
(D) 1
(A) – 3

Question 27.
If x < 0, then |x| = _______
(A) x
(B) 0
(C) – x
(D) None
(C) – x Question 28.
|-30| = _______
(A) -30
(B) 30
(C) 0
(D) None
(B) 30

Reasoning Questions :

Question 1.
2, 3, 5, 7, 11, _______
(A) 13
(B) 15
(C) 17
(D)19
(A) 13

Question 2.
5, 7, 10, 15, 22, _______
(A) 31
(B) 37
(C) 33
(D) 43
(C) 33

Question 3.
4, 8, 12, 16, 20, _______
(A) 22
(B) 24
(C) 26
(D) 28
(B) 24

Question 4.
8, 11, 15, 20, 26, _______
(A) 30
(B)31
(C)32
(D)33
(D)33

Question 5.
6, 8, 12, 18, 26, _______
(A)32
(B) 34
(C) 36
(D) 38
(C) 36

Question 6.
10, 13, 18, 25, 36 _______
(A) 49
(B) 45
(C) 47
(D) 43
(A) 49

Question 7.
10, 7, 17, 24, 41, _______
(A) 55
(B) 65
(C) 50
(D) 60
(B) 65

Question 8.
43, 47, 59, 61, 67, _______
(A) 69
(B) 65
(C) 73
(D) 71
(D) 71

Question 9.
36, 37, 39, 42, 46, _______
(A) 50
(B) 53
(C) 51
(D) 52
(C) 51 Question 10.
150, 157, 165, 174, 184, _______
(A) 185
(B) 188
(C) 191
(D) 195
(D) 195

Fill in the blanks :

Question 1.
The set of integers are represented by _______
Z

Question 2.
Positive number can be write on the number line-on the _______ side of zero.
Right

Question 3.
Negative integers are represented by _______
z

Question 4.
To add a negative integer, we move on the number line towards _______
left side

Question 5.
The integer can represent statement temperature of Glacier is 16° below 0°C is _______
– 16°C

Question 6.
Biggest integer of tlje numbers – 6, 0, – 19, – 30, -2,-4 ?
0

Question 7.
(- 8) + .(- 3) + (6)
-5

Question 8.
A loss of ₹ 600 is represented as _______
– ₹ 600 Question 9.
(- 4) × (- 7) = _______
+ 28

Question 10.
The book “Brahmarsphuta Siddantham” was written by _______
Brahmaguptha

Question 11.
1 inch = _______ cm.
2.54

Question 12.
If the product of two integers is zero, then _______
One of the two integers is zero.

Question 13.
Sum of two positive integers is _______
Positive

Question 14.
Every integer can Se represented on a number line _______ or _______
horizontally (or) vertically

Question 15.
An aeroplane is flying at a height of 3000 metres. Sign to be used for the statement is _______
+ 3000 m

Question 16.
Additive inverse of (+ x) is _______
– x

Question 17.
+ 120

Question 18.
Subtract – 60 from + 90 is _______
+ 150

Question 19.
Descending order of (-11), (-1), (-111), (-1111) is _______
(-1), (-11), (-111), (-1111)

Question 20.
Z-{-1, -2, -3, -4,…………} = _______
W= {0, 1, 2, 3, …………..}

Question 21.
zero

Question 22.
a × 1 = 1 × a = _______
a

Question 23.
(- 1) × (- 1) × (- 1) × (- 1) = _______
1

Question 24.
Expand BODMAS _______
B – Bracket,
O – Of,
D – Division,
M – Multiplication,
S – Subtraction

Question 25.
6 × 6 – 6 ÷ 6 + 6 = _______
41 Question 26.
24 + 150 ÷ 3 {24 -(16- 5-3)} = _______
29

Match the following :

Question 1.

 1. Integers (A) Z+ 2. Whole numbers (B) N 3. Positive integers (C) W 4. Natural numbers (D) Z– 5. Negative integers (E) Z

 1. Integers (E) Z 2. Whole numbers (C) W 3. Positive integers (A) Z+ 4. Natural numbers (B) N 5. Negative integers (D) Z–

Question 2.

 1. a × (b + c) = (A) a 2. (a × b) × c = (B) (a + b) + c 3. a + 0 = 0 + a = (C) a × (b × c) 4. a × 0 = 0 × a = (D) (a × b) + (a × c) 5. a + (b + c) = (E) 0

 1. a × (b + c) = (D) (a × b) + (a × c) 2. (a × b) × c = (C) a × (b × c) 3. a + 0 = 0 + a = (A) a 4. a × 0 = 0 × a = (E) 0 5. a + (b + c) = (B) (a + b) + c Question 3.

 1. a, b ∈ Z, then a × b ∈ Z (A) Distributive property 2. If a, b ∈ Z, then a + b = b + a (B) Additive identity property 3. If a, b ∈ Z, then a × (b + c) = (a × b) + (a × c) (C) Additive inverse property 4. If a ∈ Z, then a + 0 = 0 + a = a (D) Closure property 5. If a ∈ Z, then a + (-a) = (-a) + a = o (E) Commutative property