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Home Verbal Reasoning Mathematical Operations Comments

  • Question
  • 6   5   4 = 34


  • Options
  • A. - and +
  • B. x and +
  • C. ÷ and x
  • D. x and -

  • Correct Answer
  • x and + 

    Explanation

    Let us check all the options one by one.
    From option (a),
    6 - 5 + 4 = 34 (using VBODMAS rule)
    ? 10 - 5 = 34 ? 5 = 34
    ? LHS ? RHS
    So, option (a) is incorrect
    From option (b),
    6 x 5 + 4 = 34 (using VBODMAS rule)
    ? 30 + 4 = 34 ? 34 = 34
    ? LHS = RHS
    So, option (b) gives us the correct answer and hence, there is no need to check remaining options.


  • Mathematical Operations problems


    Search Results


    • 1. 
      If '@' means 'x', 'c' means '÷' % means (+) and '$' means '-', then 6%12C3@8   $   3 =?

    • Options
    • A. 37
    • B. 35
    • C. 39
    • D. 33
    • Discuss
    • 2. 
      If S means '-', Q means 'x' , R means '÷' and P means '+' then
      1   P   45   R   2   Q   2   S   4 =?

    • Options
    • A. 40
    • B. 42
    • C. 36
    • D. 46
    • Discuss
    • 3. 
      4 - 4 = 17, 6 - 6 = 37, 2 - 2 = 5, 5 - 5 =?

    • Options
    • A. 27
    • B. 26
    • C. 20
    • D. 24
    • Discuss
    • 4. 
      Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
      40 * 2 * 4 * 3 * 8

    • Options
    • A. + - ÷ =
    • B. ÷ + = x
    • C. + ÷ x =
    • D. + x - =
    • Discuss
    • 5. 
      If "T" means (x), 'U' means (-) , 'X' means (÷) and W means (+), then what will be the value of the following expression?

      (50 X 2) W (28 T 4 )

    • Options
    • A. 142
    • B. 158
    • C. 137
    • D. 163
    • Discuss
    • 6. 
      65 40 11 = 36

    • Options
    • A. - and +
    • B. x and ÷
    • C. ÷ and +
    • D. + and x
    • Discuss
    • 7. 
      Which sequence of mathematical symbols can replace *in the given equation to balance the equation?
      7 * 7 * 2 * 1 = 12

    • Options
    • A. x - ÷
    • B. + - x
    • C. x - +
    • D. + x -
    • Discuss
    • 8. 
      If 73 + 82 = 14, 91 + 21 = 11, then 86 + 24 =?

    • Options
    • A. 9
    • B. 62
    • C. 8
    • D. 6
    • Discuss
    • 9. 
      In the following question, * stands for any of the mathematical signs at different places, which are given as choices under each question. Select the choice with the correct sequence of signs which when substituted makes the question as a correct equation.
      24 * 4 * 5 * 4

    • Options
    • A. x + =
    • B. = x +
    • C. + x =
    • D. = + x
    • Discuss
    • 10. 
      Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
      16 * 6 * 4 * 24

    • Options
    • A. ÷ = x
    • B. x = ÷
    • C. = ÷ ÷
    • D. x ÷ =
    • Discuss


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