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