T1 - Number System English Medium Free Online Test 1 Mark Questions 2020-2021

7th Standard

    Reg.No. :
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Maths

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The temperature at 12 noon at a certain place was 18° above zero. If it decreases at the rate of 3° per hour at what time it would be 12° below zero?

    (a)

    12 mid night

    (b)

    12 noon

    (c)

    10 am

    (d)

    10 pm

  2. (-10)+(+7)=____

    (a)

    +3

    (b)

    -3

    (c)

    -17

    (d)

    +17

  3. 20+(-9)+(9)

    (a)

    20

    (b)

    29

    (c)

    11

    (d)

    38

  4. (-100)-0+100=_____

    (a)

    200

    (b)

    0

    (c)

    100

    (d)

    -200

  5. Which property is illustrated by the equation:(5×2)+(5×5)=5×(2+5)

    (a)

    commutative

    (b)

    closure

    (c)

    distributive

    (d)

    associative

  6. (-2)×−(-9)=_____

    (a)

    108

    (b)

    -108

    (c)

    +1

    (d)

    -1

  7. Which of the following does not represent an Integer?

    (a)

    0÷(-7)

    (b)

    20÷(−4)

    (c)

    (-9)÷3

    (d)

    (12)÷5

  8. (−16)÷4 is the same as

    (a)

    -(-16÷4)

    (b)

    −(16)÷(-4)

    (c)

    16÷(-4)

    (d)

    −4÷16

  9. (−200)÷10is

    (a)

    20

    (b)

    -20

    (c)

    -190

    (d)

    210

  10. The set of integers is not closed under

    (a)

    Addition

    (b)

    Subtraction

    (c)

    Multiplication

    (d)

    Division

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