Mathematical Operation questions Practice Question and Answer

Q:

If ‘+’ means ‘×’, ‘-’ means ‘÷’, ‘×’ means ‘+’ and ‘÷’ means ‘-’ then what is the value of a given equation?
225 ÷ 5 + 96 – 3 × 31 

885 0

  • 1
    106
    Correct
    Wrong
  • 2
    116
    Correct
    Wrong
  • 3
    86
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
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Answer : 4. "96"

Q:

Which of the following interchange of numbers and mathematical signs would make the given equation correct?
 30 ÷ 6 × 4 + 15−35 = 25

868 0

  • 1
    25 and 30, × and−
    Correct
    Wrong
  • 2
    4 and 6, + and−
    Correct
    Wrong
  • 3
    25 and 35, × and ÷
    Correct
    Wrong
  • 4
    30 and 35, −and ÷
    Correct
    Wrong
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Answer : 3. "25 and 35, × and ÷"

Q:

In the following question, by using which mathematical operator will the expression become correct?
18 ?6 ? 9 ? 27

861 0

  • 1
    x, ÷ and =
    Correct
    Wrong
  • 2
    ÷, x and =
    Correct
    Wrong
  • 3
    x, + and =
    Correct
    Wrong
  • 4
    +, – and =
    Correct
    Wrong
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Answer : 2. "÷, x and ="

Q:

If ‘F’ means ‘+’ , ‘P’ means ‘x’, ‘T’ means ‘÷’ and ‘K’ means ‘-‘ then 40 T 8 F 16 P 4 K 13=?

861 0

  • 1
    75
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    69
    Correct
    Wrong
  • 4
    78
    Correct
    Wrong
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Answer : 2. "56"

Q:

In the following question, correct the equation by interchanging two signs.
9 x 3 + 8 ÷ 4 – 7 = 28

841 0

  • 1
    x and –
    Correct
    Wrong
  • 2
    + and –
    Correct
    Wrong
  • 3
    ÷ and +
    Correct
    Wrong
  • 4
    x and ÷
    Correct
    Wrong
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Answer : 4. "x and ÷"

Q:

Which two signs and two numbers should be interchanged in the following equation to make it correct?
 150 × 15 + 14 – 9 ÷ 2 =6

832 0

  • 1
    9, 2, −, ×
    Correct
    Wrong
  • 2
    9, 2, ÷, ×
    Correct
    Wrong
  • 3
    150, 2, ÷, −
    Correct
    Wrong
  • 4
    15, 9, +, ÷
    Correct
    Wrong
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Answer : 2. "9, 2, ÷, ×"

Q:

By interchanging the given two numbers (not digits), which of the following equations will be correct?

44 and 19

I. 203 + 44 – 27 × 19 ÷ 11 = 114

II. 9 × 572 ÷ 19 – 44 + 4 = 120

827 0

  • 1
    Neither I nor II
    Correct
    Wrong
  • 2
    Only I
    Correct
    Wrong
  • 3
    Only II
    Correct
    Wrong
  • 4
    Both I and II
    Correct
    Wrong
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Answer : 2. "Only I "

Q:

If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, which one of the following equations is correct? 

821 0

  • 1
    6 + 20 – 12 ÷ 7 – 1 = 38
    Correct
    Wrong
  • 2
    6 – 20 ÷ 12 × 7 + 1 = 57
    Correct
    Wrong
  • 3
    6 + 20 – 12 ÷ 7 × 1 = 62
    Correct
    Wrong
  • 4
    6 ÷ 20 × 12 + 7 – 1 = 70
    Correct
    Wrong
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Answer : 4. "6 ÷ 20 × 12 + 7 – 1 = 70"

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