CBSE Class 7 Mathematics Integers MCQs Set 01

 INTEGERS

Question. The sum of two integers is -112. If one of them is -109 the other is
a) -121
b) -3
c) 3
d) none of these

Answer: B

Question. -11,-8, -5, -2….. The next number in the series is
a) -1
b) 0
c) 1
d) -4

Answer: C

Question. 0÷(2+8)=
a) 0
b) 10
c)-10
d)6

Answer: D

Question. An integer when divided by -3 gives quotient 35 and leaves remainder 2. The integer is
a) 32
b) 31
c)-34
d)-103

Answer: A

Question. (-12)×8×5-2×30×12
a) 1824
b) -1200
c)-164 d)200

Answer: B

Question. The product of two integers is 4 less than 49. If one of the integers is -9 the other integer is
a) 43
b) 40
c) -44
d )-5

Answer: D

Question. A person gains Rs 2 on product x and loses Rs 3 on product y. If he sells 8 items of x and 5 items of y his profit or loss is
a) Profit of Re 1
b) Loss of Re 1
c) -2
d) neither profit nor loss

Answer: A

Question. The average of the scores -38, 13, -32,8 and -16 is
a) -65
b) 5
c) -13
d)21

Answer: C

Question. Which pair of numbers does not have a product equal to 36
a) {-4,-9}
b) {-3,-12}
c) {1/2,-72}
d) {1,36)

Answer: C

Question. What is the value of the expression {(-10)÷2}x(-4) ?
a) 20
b) 2
c) -9
d) -12

Answer: A

Question. How much is -8 less than -3 ?
a) 5
b) -5
c) 11
d) -11

Answer: A

Question. If the expression [(-43)X109] can also be written as [a+(-387)], what is the value of ‘a’?
a) -4687
b) -4300
c) -3586
d) -3200

Answer: B

Question. Difference between 43°C and -17°C is
a) -26°C
b) -60°C
c) 60°C
d) 26°C

Answer: C

Question. An insect crawls up 5cm every second on a 60cm vertical rod and then falls down 2cm over the next second. How many seconds will it take to climb the rod?
a) 20
b) 40
c) 60
d) 30

Answer: B

Question. A tanker contains 500 litres of water. Due to a small hole in the tanker, the quantity of water is decreasing at the rate of 9 litres every hour. What will be the quantity of water in litres in the tank after 10 hours?
a) 410
b) 491
c) 400
d) 90

Answer: A

Question. Predecessor of successor of -21 is
a) -20
b) -19
c) -22
d) -21

Answer: D

Question. The value of [(-4)X(-9)X(-25)]÷[(-2)X(-3)X(-5)] is
a) 10
b) 20
c) 30
d) 40

Answer: C

Question. A gardner plans to plant 630 trees in 21 rows each containing the same number of trees, then how many trees will be there in each row?
a) 300
b) 30
c) 21
d) 3

Answer: B

Question. A place is 45 metre above sea level and another place is 25 meter below sea level. What is the difference of level in metres between the two places?
a) 70
b) 20
c) 60
d) -20

Answer: A

Question. The difference of sum of even numbers and sum of odd numbers between 10 and 20 is
a) 3
b) 6
c)1 5
d) 4

Answer: C

Question ( - 50 ) / ______ = - 1 , number in the blank will be
a) 50
b) 49
c) -50
d) 51

Answer: A

Question: 125 / (- 25 ) is equal to
a) -5
b) 5
c) 1
d) 100

Answer: A

Question: - 16 x ( - 1) is equal to
a) 16
b) 17
c) -17
d) -16

Answer: A

Question: 16 x 10 + 2 is equal to
a) 162
b) 192
c) 52
d) 320

Answer: A

Question: - 8 x 10 x 9 is equal to
a) -720
b) -27
c) 27
d) 720

Answer: A

Question: Absolute value of - 11 is
a) 11
b) 10
c) -10
d) 0

Answer: A

Question: The integer whose product with - 1 is - 40 is
a) 40
b) -40
c) -20
d) 20

Answer: A

Question: Product of two negative integers is always
a) Always positive
b) Always negative
c) Either positive or negative
d) 0

Answer: A

Question: Which of the following statement is true
a) 0 / 7 = 0
b) 7 / 0 = 0 / 7
c) 7 / 0 = 0
d) 7 / 0 = 7

Answer: A

Question: On dividing a negative integers by other negative integer the quotient will be
a) Always positive
b) Always negative
c) 1
d) Either positive or negative

Answer: A

Question. What will be the additive inverse of 7
(a) -6
(b) -5
(c) -7
(d) -4

Answer: C

Question. What will be the additive inverse of - 5
(a) 5
(b) 3
(c) -4
(d) -6

Answer: A

Question. What integers or number should be added to - 5 to get 4
(a) 9
(b) -9
(c) -1
(d) 1

Answer: A

Question. The pair of integers whose sum is - 5
(a) - 1 , 6
(b) -3 , - 2
(c) 1, - 4
(d) 5, 0

Answer: B

Question. Which of the following statement is false
(a) - 5 + 1 = 4
(b) - 7 + (- 6 ) = - 13
(c) 2 + (- 1 ) = 1
(d) 8 + (- 9 ) = - 1

Answer: A

Question. Sum of - 19 and - 21 is
(a) 40
(b) 2
(c) -2
(d) -40

Answer: D

Question. Sum of - 36 and 29 is
(a) -7
(b) 65
(c) 7
(d) -65

Answer: A

Question. Sum of two Positive number is always
(a) Negative
(b) 1
(c) Positive
(d) 0

Answer: C

Question. Sum of two negative number is always
(a) Negative
(b) 0
(c) 1
(d) Positive

Answer: A

Question. In addition and subtraction of two integers , sign of the answer depends upon
(a) Greater numerical value
(b) Their sum
(c) Their difference
(d) Smaller number

Answer: A

Question. Identify the property used in the following: 2 x 13 + 8 x 13 = ( 2 + 8 ) x 13
(a) Distributive
(b) Associative
(c) Closure
(d) Commutative

Answer: A

Question. Multiplication of 2 , - 5 and 0 gives
(a) 0
(b) 10
(c) -10
(d) 7

Answer: A

Question. Multiplication of - 2 , - 7 and -10 gives
(a) -140
(b) 19
(c) -34
(d) 90

Answer: A

Question. Multiplication of 3 and - 4
(a) -12
(b) 12
(c) -7
(d) 7

Answer: A

Question. Choose appropriate number for blank: - 7 - ( __ ) = 2
(a) -9
(b) 9
(c) -5
(d) 5

Answer: A

Question. Which of the following statement is true
(a) 7 - 4 > 4 - 7
(b) 7 - 4 = 4 - 7
(c) 7 - 4 < 4 - 7
(d) 7 - 4 = - 3

Answer: A

Question. The value of 26 - 30 is equal to
(a) -4
(b) 4
(c) -56
(d) 56

Answer: A

Question. The value of 6 - ( - 3 ) is
(a) 9
(b) -3
(c) -9
(d) 3

Answer: A

Question. Successor of - 1 is
(a) -2
(b) 1
(c) 0
(d) 2

Answer: C

Question. Predecessor of - 9 is
(a) -10
(b) 10
(c) 8
(d) -8

Answer: A

Question. Which of the following does not represent pair of integer (a, b) such that a / b = 2
(a) ( - 2 , 1)
(b) (- 6 , - 3 )
(c) ( -10 , - 5 )
(d) (8 , 4 )

Answer: A

Question. Which of the following is true
(a) 5 / 7 = 7 / 5
(b) 2 / ( 3 -1) = 2 / 3 - 2 / 1
(c) 4 / 1 = 1 / 4
(d) 0 / 3 = 0 / 5

Answer: D

Question. Which of the following is not true
(a) 12 / 0 = 12
(b) - 25 / 5 = -5
(c) 4 / 1 = 4
(d) 0 / 2 = 0

Answer: A

Question. 0 / 10 gives
(a) 0
(b) 10
(c) 1
(d) -10

Answer: A

Question. 15 divided by - 3 is equal to
(a) -5
(b) -12
(c) 12
(d) 5

Answer: A

Question. - 6 / ( -3 ) gives
(a) 2
(b) -9
(c) -2
(d) 3

Answer: A

Question. - 18 / 2 gives
(a) -9
(b) 9
(c) 36
(d) -16

Answer: A

Question. Which property is reflected in the following: 7 x 5 = 5 x 7
(a) Commutative
(b) Closure
(c) Associative
(d) Distributive

Answer: A

Question. What will be multiplicative inverse of - 8
(a) - 1/8
(b) 8
(c) 1/8
(d) 0

Answer: A

Question. Which number is multiplicative identity for the whole numbers
(a) 1
(b) 0
(c) 2
(d) 3

Answer: A

Question. Which of the following is the additive inverse of – 27 ?
(a) --27
(b) 27
(c) 0
(d) 1

Question. Which of the following is the value of (--12)x(--2)x(--5) ?
(a) --120
(b) 120
(c) 0
(d) 1

Question. Which of the following is the value of (--4)x [ (--5)+ (--3)] ?
(a) --32
(b) 120
(c) 32
(d) –23

Question. A shop keeper makes a profit of Rs.5 on each pen & incurs a loss of Rs. 2 on each pencil box. What will be his net profit if he sells ten pens & ten pencil boxes?
(a) 20
(b) 30
(c) 50
(d) 100

Question. Which of the following is the simplest form of [ (--5)+ (--7)]/ [(--2) + (-- 1)] ?
(a) --12
(b) 12
(c) 4
(d) --4