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Home Verbal Reasoning Mathematical Operations Comments

  • Question
  • Given interchanges : Signs + and - , numbers 4 and 8.


  • Options
  • A. 4 + 8 - 12 = 12
  • B. 4 - 8 + 12 = 0
  • C. 8 + 4 - 12 = 24
  • D. 8 - 4 + 12 = 8

  • Correct Answer
  • 4 - 8 + 12 = 0 

    Explanation

     On interchanging + and - and 4 and 8 in (b),

    we get the equation as

    8 + 4 - 12 = 0 
    or 12 - 12 = 0
    or 0 = 0, which is true.


  • Mathematical Operations problems


    Search Results


    • 1. Find out the two signs to be interchanged for making following equation correct 5 + 3 x 8 - 12 / 4 =3

    • Options
    • A. + and -
    • B. - and /
    • C. + and x
    • D. + and /
    • Discuss
    • 2. If A + B = 2C and C + D = 2A, then

    • Options
    • A. A + C = B + D
    • B. A + C = 2D
    • C. A + D = B + C
    • D. A + C = 2B
    • Discuss
    • 3. Identify the diagram that best represents the relationship among classes given below Tennis fans, Cricket players, Students

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 4. The diagram that identify best represents the relationship among the given classes. Doctor, Smoker, Indian, NonSmoker

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 5. Which of the following correctly represents the relationship between A) Peak B) Clouds C) Mountain

    • Options
    • A. A)
    • B. B)
    • C. C)
    • D. D)
    • Discuss
    • 6. If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and-stands for 'division', then 20 × 8 ÷ 8 - 4 + 2 = ?

    • Options
    • A. 80
    • B. 25
    • C. 24
    • D. 5
    • Discuss
    • 7. Given intercharges : Signs + and x and numbers 4 and 5.

    • Options
    • A. 5 x 4 + 20 = 40
    • B. 5 x 4 + 20 = 85
    • C. 5 x 4 + 20 = 104
    • D. 5 x 4 + 20 = 95
    • Discuss
    • 8. Select the correct set of symbols which will fit in the given equation? 5 0 3 5 = 20

    • Options
    • A. x, x, x
    • B. -, +, x
    • C. x, +, x
    • D. +, -, x
    • Discuss
    • 9. If × means ÷, - means ×, ÷ means + and + means- than (3 - 15 ÷ 19) × 8 + 6 = ?

    • Options
    • A. 8
    • B. 4
    • C. 2
    • D. -1
    • Discuss
    • 10. 12:30 :: 14: ?

    • Options
    • A. 36
    • B. 28
    • C. 35
    • D. 42
    • Discuss


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