9th Class Mental Ability Related to Competitive Exam Question Bank

done Imaginary Mathematical System Total Questions - 14

• question_answer1)

  Directions: Choose the best alternative for all the questions given below. Follow instructions carefully and closely.

  If, + stands for division: x stands for addition:  stands for multiplication: - stands for subtraction, which of the following equations is correct?
  A)
   \[\text{36}+\text{6}-\text{3}\times \text{5}\times \text{3}=\text{24}\] done clear
  B)
   \[\text{36}\times \text{6}+\text{7}\times \text{2}-\text{6}=\text{2}0\] done clear
  C)
   \[\text{36}\times \text{6}+\text{3}\times \text{5}-\text{3}=\text{45}\] done clear
  D)
   \[\text{36}-\text{6}+\text{3}\times \text{5}\times \text{3}=\text{74}\]   done clear
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• question_answer2)

  Directions: Choose the best alternative for all the questions given below. Follow instructions carefully and closely.

  If \['-'\] stands for addition; '+' stands for subtraction; 'x' stands for division; 'x' stands for multiplication, which of the following statements is incorrect?
  A)
   \[\text{3}0+\text{5}\div \text{4}-\text{1}0\times \text{5}=\text{22}\]   done clear
  B)
   \[\text{3}0-\text{5}+\text{4}\div \text{1}0\times \text{5}=\text{62}\] done clear
  C)
   \[\text{3}0\times \text{5}-\text{4}\div \text{1}0+\text{5}=\text{2}0\] done clear
  D)
   \[\text{3}0+\text{5}-\text{4}\div \text{1}0\times \text{5}=\text{58}\] done clear
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• question_answer3)

  Directions: IF ?-? means ?\[\times \]?, ?+? means\['\div '\],\['\times '\] means ?+? and \['\div '\]means ?-? then:

  \[\text{16}+\text{4}\div \text{5}-\text{2}\times \text{3}=?\]
  A)
   \[2\frac{1}{3}\]                done clear
  B)
          \[-2\frac{1}{3}\] done clear
  C)
   \[-3\]                      done clear
  D)
          \[4\] done clear
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• question_answer4)

  Directions: IF ?-? means ?\[\times \]?, ?+? means\['\div '\],\['\times '\] means ?+? and \['\div '\]means ?-? then:

  \[\text{9}\div \text{12}+\text{3}\times \text{7}-\text{2}=?\]
  A)
   2                             done clear
  B)
          19   done clear
  C)
   -1                                           done clear
  D)
   17 done clear
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• question_answer5)

  Directions: IF ?-? means ?\[\times \]?, ?+? means\['\div '\],\['\times '\] means ?+? and \['\div '\]means ?-? then:

  \[\text{4}-\text{3}\div \text{8}\times \text{6}+\text{4}=?\]
  A)
  \[-3\frac{1}{2}\]                 done clear
  B)
          \[-4\frac{3}{4}\] done clear
  C)
   \[5\frac{1}{2}\]                  done clear
  D)
          6 done clear
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• question_answer6)

  Directions: Two signs in each equation have been interchanged. Find them out to get the right result:

  \[\text{25}-\left( \text{6}+\text{3} \right)\times \left( \text{36}\div \text{4} \right)=\text{16}\]
  A)
   \[\times ;+\]         done clear
  B)
                                          \[-;+\] done clear
  C)
   \[\times ;\div \]              done clear
  D)
          \[\div ;+\] done clear
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• question_answer7)

  Directions: Two signs in each equation have been interchanged. Find them out to get the right result:

  \[\left( \text{3}\times \text{7} \right)+\left( \text{6}+\text{4} \right)-\left( \text{12}\div \text{4} \right)=\text{14}\]
  A)
   \[\times ;+\]                     done clear
  B)
          \[-;+\]   done clear
  C)
   \[\times ;\div \]                               done clear
  D)
   \[\div ;+\] done clear
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• question_answer8)

  Directions: Two signs in each equation have been interchanged. Find them out to get the right result:

  \[\left( \text{14}-\text{7} \right)+\left( \text{6}\div \text{3} \right)-\left( \text{9}\times \text{4}+\text{6} \right)=\text{1}0\]
  A)
   \[\times ;+\]                done clear
  B)
          \[\div ;\times \] done clear
  C)
  \[+;\div \]                              done clear
  D)
         \[+;-\] done clear
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• question_answer9)

  Directions: In the following questions, different alphabets stand for various symbols as indicated below:

  R stands for addition; S stands for subtraction;

  T stands for multiplication; U stands for division;

  V stands for equal to ; W stands for greater than;

  X stands for less than.

  Out of the four alternatives given in these questions, only one is correct according to the above letter symbols, identify the correct answer.

  A)
   \[\text{15 U 5 R 3 V 2 T 3}\]           done clear
  B)
   \[\text{15}\,\,\text{S}\,\,\text{5}\,\,\text{T}\,\,\text{3}\,\,\text{X}\,\,\text{2}\,\,\text{R}\,\,\text{3}\] done clear
  C)
   \[\text{15}\,\,\text{R}\,\,\text{5}\,\,\text{U}\,\text{ 3}\,\,\text{V}\,\,\text{2}\,\,\text{R}\,\,\text{3}\]                done clear
  D)
   \[\text{15}\,\,\text{U}\,\text{ 5}\,\,\text{W  3}\,\,\text{R}\,\,\text{2}\,\,\text{T}\,\,\text{3}\] done clear
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• question_answer10)

  Directions: In the following questions, different alphabets stand for various symbols as indicated below:

  R stands for addition; S stands for subtraction;

  T stands for multiplication; U stands for division;

  V stands for equal to ; W stands for greater than;

  X stands for less than.

  Out of the four alternatives given in these questions, only one is correct according to the above letter symbols, identify the correct answer.

  A)
   30 U 6 R 2 V 4 T 3              done clear
  B)
   30 S 6 U 2 U 4 V 3 done clear
  C)
   30 U 6 S 2 X 4 T 3                done clear
  D)
   30 R 6 U 2 V 4 T 3 done clear
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• question_answer11)

  Directions: In the following questions, different alphabets stand for various symbols as indicated below:

  R stands for addition; S stands for subtraction;

  T stands for multiplication; U stands for division;

  V stands for equal to ; W stands for greater than;

  X stands for less than.

  Out of the four alternatives given in these questions, only one is correct according to the above letter symbols, identify the correct answer.

  A)
   20 S 4 U 4 V 2 T 3 done clear
  B)
          20 U 4 R 4 X 2 T 3 done clear
  C)
   20 R 4 U 4 S 2 W 3              done clear
  D)
   20 T 4 U 4 U 2 W 3 done clear
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• question_answer12)

  Directions: In the following questions, \[\alpha \] stands for equal to, \[\beta \] for greater than, \[\gamma \] for less than and \[\delta \] for not equal to.

  If ax \[\gamma \] by, \[\text{bx  }\!\!\alpha\!\!\text{ cz}\]and\[{{\text{b}}^{\text{2}}}\text{ }\alpha \text{ ac}\], then
  A)
   \[y\beta z\]                         done clear
  B)
  \[y\gamma z\] done clear
  C)
   \[av\,\alpha \,cz\]          done clear
  D)
          \[cx\,\alpha \,abz\] done clear
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• question_answer13)

  Directions: In the following questions, \[\alpha \] stands for equal to, \[\beta \] for greater than, \[\gamma \] for less than and \[\delta \] for not equal to.

  If \[\text{bcy}\]\[\gamma \]\[~\text{ax},\text{ cy }\alpha \text{ bz}\] and\[{{\text{a}}^{\text{2}}}\,\gamma \text{ bc}\], then
  A)
   \[\text{cx}\gamma \text{abz}\]               done clear
  B)
         \[\text{cx}\delta \text{abz}\]   done clear
  C)
   \[{{\text{c}}^{2}}\text{x}\gamma {{\text{a}}^{2}}\text{z}\]        done clear
  D)
          \[\text{cx }\alpha \text{ abz}\] done clear
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• question_answer14)

  Directions: In the following questions, \[\alpha \] stands for equal to, \[\beta \] for greater than, \[\gamma \] for less than and \[\delta \] for not equal to.

  If ?+? means\[''\div '',\text{ }''\times ''\] means \[''-'',''\div ''\] means "x" and \[''-''\] means "+", then\[\text{8}+\text{6}\times \text{4}\div \text{3}-\text{4}=?\]
  A)
   \[-\,20/3\]            done clear
  B)
          \[-12\] done clear
  C)
   \[20/3\]               done clear
  D)
          \[12\] done clear
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