If '+' means 'x' , '−' means '÷' 'x' means '−' and '÷' mea

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 Multiple Choice QuestionsMultiple Choice Questions

1.

If 64 + 7 = 460, and 25 + 8 = 212 then, 43 + 8 = ?

  • 360

  • 376

  • 332

  • 332

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2.

If '+' means 'x' , '−' means '÷' 'x' means '−' and '÷' means '+',  then find the value of the following equation.
6 + 64 − 8 ÷ 45 x 8 

  • 85

  • 76

  • 87

  • 87


A.

85

Given equation
      6 + 64 − 8 ÷ 45 x 8 
Now, changing the sign as per the instruction
      6 x 4 ÷ 8 + 45 − 8
       equals space fraction numerator 6 space cross times space 64 over denominator 8 end fraction plus 45 space minus space 8 space
space equals space 6 space cross times space 8 space plus 45 space minus space 8
space equals space 48 space plus space 45 space minus space 8
space equals space 93 space minus space 8 space equals space 85

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3.

After interchanging + and −, 8 and 7, which one of the following becomes correct?

  • − 7 + 3 x 5 = 35

  • 8 x 2 + 7 − 6  = 9

  • 7 x 8 + 6 − 9  = 25

  • 7 x 8 + 6 − 9  = 25

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4.

If + means −, − means X, X means divided by and divided by means +. Which combination will give you the value of 0 in
42 * 4 * 12 * 20 * 9 ?

  • straight X minus divided by plus
  • negative divided by cross times plus
  • divided by plus negative cross times
  • divided by plus negative cross times
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5. Which of the following interchange of signs would make the equation correct?
49 - 7 + 7 = 14
  • + and -
  • - and ÷
  • - and +
  • - and +
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6. if '>' stands for division, 'v' stands for multiplication, '' stands for greater than, 'x' stands for less than, '<' stands for addition, '^' stands for subtraction, '+' stands for equal to, then which of the following equations is correct?
  • 5 V 4 < 2 + 10 V 2 < 2
  • 8 V 6 - 3 + 4 > 7 ^ 6
  • 8 V 4 - 2 + 5 > 7 ^ 6
  • 8 V 4 - 2 + 5 > 7 ^ 6
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7. Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
                    2 * 3 = 17;  3 * 4 = 145; 5 * 2 = ?
  • 75

  • 57

  • 25

  • 25

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8.

Select the correct combination of mathematical signs to replace * signs and to balance the following equation.
             (8 * 5 * 6) * 10 * 24

  • cross times cross times divided by equals
  • plus negative equals cross times
  • cross times negative divided by equals
  • cross times negative divided by equals
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9.

In the following problem, '=' stands for '÷' , '+' stands for '-' , 'x' stands for '=', '-' stands for '+' and '÷' stands for 'x'. Find the correct equation.

  • 8 ÷ 4 + 1 - 5 = 6 x 4

  • 4 x 6 ÷ 4 + 4 = 7

  • 5 ÷ 3 - 25 + 20 = 20 x 39

  • 5 ÷ 3 - 25 + 20 = 20 x 39

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10.

If '+' stands for '÷', '-' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands for subtraction, then which of the following alternatives is correct?

  • 5 ÷ 2 x 1 = 3 + 4 > 1

  • 5 > 2 x 1 - 3 > 4 < 1

  • 5 x 2 < 1 - 3 < 4 x 1

  • 5 x 2 < 1 - 3 < 4 x 1

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