T1 - Number System English Medium Free Online Test 1 Mark Questions with Answer Key 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. Identify the problem with negative numbers as its answer:

    (a)

    -9+(-5)+6

    (b)

    8+(-12)-6

    (c)

    -4+2+10

    (d)

    10+9-4)+8

  2. (-8)+10+(-2)=____

    (a)

    2

    (b)

    8

    (c)

    0

    (d)

    20

  3. (-5)-(-18)=____

    (a)

    23

    (b)

    -13

    (c)

    13

    (d)

    -23

  4. Which of the following expressions is equal to –30.

    (a)

    –20 – (–5 x 2)

    (b)

    (6 x 10) – (6 x 5)

    (c)

    (2 x 5) + (4 x 5)

    (d)

    (–6) x (+5)

  5. 11×(–1)=_____

    (a)

    -1

    (b)

    0

    (c)

    +1

    (d)

    –11

  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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