Simple Equations

48. The solution of the equation 3x + 5 = 0 is

  • (A) 5/3
  • (B) –5
  • (C) –5/3
  • (D) 5

47. The root of the equation y – 13 = 9 is

  • (A) 4
  • (B) 23
  • (C) 22
  • (D) –4

46. In the equation 3x – 3 = 9, transposing –3 to RHS, we get

  • (A) 3x = 9 – 3
  • (B) 3x = – 9 + 3
  • (C) 3x = 9 + 3
  • (D) – 3x = 9 + 3

45. In the equation 2x = 4 – x, transposing –x to LHS, we get

  • (A) x = 4
  • (B) 2x = 4
  • (C) 3x = 4
  • (D) –x = 4

44. The solution of the equation 3x – 4 = 1 – 2x is

  • (A) 4/5
  • (B) 1/15
  • (C) 10
  • (D) 0

43. The equation having 5 as a solution is:

  • (A) 4x + 1 = 2
  • (B) 3 – x = 8
  • (C) x – 5 = 3
  • (D) 3 + x = 8

42. The equation having – 3 as a solution is:

  • (A) x + 3 =1
  • (B) 8 + 2x = 3
  • (C) 10 + 3x = 1
  • (D) 2x + 1 = 3

41. Which of the following equations can be formed starting with x = 0?

  • (A) 2x + 1 = – 1
  • (B) x/2 + 5 = 7
  • (C) 3x – 1 = – 1
  • (D) 3x – 1 = 1

40. Which of the following equations cannot be formed using the equation x = 7?

  • (A) 2x + 1 =15
  • (B) 7x – 1 = 50
  • (C) x – 3 = 4
  • (D) 7/x – 1 = 0

39. If 2x = 3, then the value of 3x + 2 is

  • (A) 20
  • (B) 11
  • (C) 13/2
  • (D) 8

38. If k + 7 = 16, then the value of 8k – 72 is

  • (A) 0
  • (B) 1
  • (C) 112
  • (D) 56

37. The solution of which of the following equations is neither a fraction nor an integer?

  • (A) 2x + 6 = 0
  • (B) 3x – 5 = 0
  • (C) 5x – 8 = x + 4
  • (D) 4x + 7 = x + 2

36. The solution of which of the following equations is neither a fraction nor an integer.

  • (A) 3x + 2 = 5x + 2
  • (B) 4x – 18 = 2
  • (C) 4x + 7 = x + 2
  • (D) 5x – 8 = x + 4

35. The equation which cannot be solved in integers is

  • (A) 5y – 3 = – 18
  • (B) 3x – 9 = 0
  • (C) 3z + 8 = 3 + z
  • (D) 9y + 8 = 4y – 7

34. –1 is not a solution of the equation

  • (A) x + 1 = 0
  • (B) x – 1 = 2
  • (C) 2y + 3 =1
  • (D) 2p + 7 = 5

33. Which of the following equations can be formed using the expression x = 5?

  • (A) 2x + 3 = 13
  • (B) 3x + 2 = 13
  • (C) x – 5 = 1
  • (D) 4x – 9 = 21

Leave a Reply