Simple Equations

Multiple Choice Questions

63. The shifting of a number from one side of an equation to other is called

  • (A) Transposition
  • (B) Distributivity
  • (C) Commutativity
  • (D) Associativity

62. A term of an equation can be transposed to the other side by changing  

  • (A) Its value
  • (B) Its sign
  • (C) Power of the variable
  • (D) None of these

61. Which of the following is not allowed in a given equation?

  • (A) Adding the same number to both sides of the equation.
  • (B) Subtracting the same number from both sides of the equation.
  • (C) Multiplying both sides of the equation by the same non-zero number.
  • (D) Dividing both sides of the equation by the same number.

60. Shifting one term from one side of an equation to another side with a change of sign is known as

  • (A) commutativity
  • (B) transposition
  • (C) distributivity
  • (D) associativity

59. Any value of the variable which makes both sides of an equation equal, is known as 

  • (A) Variable
  • (B) Solution
  • (C) Power
  • (D) None of these

58. If a and b are positive integers, then the solution of the equation ax = b will always be a

  • (A) positive number
  • (B) negative number
  • (C) 1
  • (D) 0

57. The solution of the equation ax + b = 0 is

  • (A) x = a/b
  • (B) x = b/a
  • (C) x = −a/b
  • (D) x = −b/a

56. If 7x + 4 = 25, then x is equal to

  • (A) 29/7
  • (B) 100/7
  • (C) 2
  • (D) 3

55. The solution of the equation 3x + 7 = – 20 is

  • (A) 17/7
  • (B) – 9
  • (C) 9
  • (D) 13/3

54. x exceeds 3 by 7, can be represented as

  • (A) x + 3 = 2
  • (B) x + 7 = 3
  • (C) x – 3 = 7
  • (D) x – 7 = 3

53. A number x divided by 7 gives 2 can be written as

  • (A) x/7 = 2
  • (B) x + 1/7 = 2
  • (C) x/2 = 7
  • (D) None of these

52. One fourth of a number is 20 less than the number itself. Mathematical version of this is

  • (A) (x/4) – x = 20
  • (B) x – (x/4) = 20
  • (C) (x/4) = 20 – x
  • (D) (x/4) = x – 20

51. If 9 is added to a number, it becomes 25. This statement in the form of an equation is

  • (A) x + 9 = 25
  • (B) x – 9 = 25
  • (C) 9x = 25
  • (D) x/9 = 25

50. The statement adding 15 to 4 times x is 39, when converted to an equation becomes

  • (A) 4x + 15 = 39
  • (B) 15x + 4 = 39
  • (C) 4x – 15 = 39 
  • (D) 4x + 15 + 39 = 0

49. Which of the following numbers satisfy the equation –6 + x = –12?

  • (A) 2
  • (B) 6
  • (C) – 6
  • (D) – 2

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