Algebra - One Mark Questions

7th Standard EM

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Maths

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 1 = 5
  1. An algebraic statement which is equivalent to the verbal statement “Three times the sum of x and y” is

    (a)

    3(x + y)

    (b)

    3 + x + y

    (c)

    3x + y

    (d)

    3 + xy

  2. Choose the pair of like terms

    (a)

    7p, 7x

    (b)

    7r, 7x

    (c)

    −4x, 4

    (d)

    −4x, 7x

  3. The generalization of the number pattern 3, 6, 9, 12,… is

    (a)

    n

    (b)

    2n

    (c)

    3n

    (d)

    4n

  4. The solution of 3x + 5 = x + 9 is

    (a)

    2

    (b)

    3

    (c)

    5

    (d)

    4

  5. The equation y + 1 = 0 is true only when y is

    (a)

    0

    (b)

    -1

    (c)

    1

    (d)

    -2

  6. 5 x 1 = 5
  7. The variable in the expression 16x − 7 is _________

    ()

    x

  8. The constant term of the expression 2y − 6 is ________

    ()

    -6

  9. In the expression 25m + 14n, the type of the terms are ________ terms.

    ()

    unlike

  10. The number of terms in the expression 3ab + 4c –9 is ________.

    ()

    three

  11. The numerical co-efficient of the term −xy is ________.

    ()

    -1

  12. 5 x 1 = 5
  13. x + ( −x) = 0

    (a) True
    (b) False
  14. The co-efficient of ab in the term 15abc is 15.

    (a) True
    (b) False
  15. 2pq and − 7qp are like terms

    (a) True
    (b) False
  16. When y = −1, the value of the expression 2y − 1 is 3

    (a) True
    (b) False
  17. The expressions 8x + 3y and 7x + 2y can not be added.

    (a) True
    (b) False

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