10th Class Mental Ability Mathematical Operations Question Bank

done Mathematical Operations Total Questions - 20

• question_answer1)
  If p means 'division', t means 'addition', m means 'subtraction' and d means 'multiplication', then what will be the value of the expression 12 m 12 d 28 p 7 M 5?
  A)
   -30                               done clear
  B)
   -15             done clear
  C)
   15                                done clear
  D)
  -21 done clear
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• question_answer2)
  If '+' means \['\div ','\div '\] means '-','-' means \['\times ','\times '\] means '+', then \[12+6\div 3-2\times 8=?\]
  A)
   -2                                done clear
  B)
   2               done clear
  C)
   4                                 done clear
  D)
   8 done clear
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• question_answer3)
  If '+' means 'divided by '-' means 'add', ' \['\times '\] means 'minus' and '/' means 'multiplied by', then what will be the value of the following expression?

  \[\mathbf{[}\left\{ \left( \mathbf{17\times 12} \right)\mathbf{-}\left( \mathbf{4/2} \right) \right\}\mathbf{+}\left( \mathbf{23-6} \right)\mathbf{]/0}\]

  A)
   Infinite              done clear
  B)
   0                 done clear
  C)
   118                              done clear
  D)
   219 done clear
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• question_answer4)
  If 'A' means \[\times \] 'B' means \['\div ',\] 'C means'+' and 'D' means \['-',\] then 21 C 3 D 6 A 8 B 2 = ?
  A)
   13                                done clear
  B)
   0               done clear
  C)
   8                                 done clear
  D)
   10 done clear
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• question_answer5)
  If \['\Delta '\] means '+', \['\square '\] means \['\times ',''\]means \['\div '\]and \['\theta '\]means\['-'\], then \[64\text{ }8\text{ }\Delta \,16\text{ }\square \text{ }4\text{ }\theta \text{ }3=?\]
  A)
   42                                done clear
  B)
   39             done clear
  C)
   69                                done clear
  D)
   27 done clear
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• question_answer6)
  If 'N' means \['\times ',M'\] means\['\div ','P\] ' means '+' and 'Q' means\['-',\] then 16 P 24 M 8 Q 6 M 2 N 3=?
  A)
   13                                done clear
  B)
   17             done clear
  C)
   24                                done clear
  D)
   10 done clear
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• question_answer7)
  If \[r*s={{r}^{5}}\]and \[r\#s={{s}^{r}}\], then what is the value of \[(2*3)*(1\#4)?\]
  A)
   2048                            done clear
  B)
   4096           done clear
  C)
   1024                            done clear
  D)
   8192 done clear
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• question_answer8)
  If \['\Delta '\] stands for \['+','{\mathrm O}'\] stands for\['-',\text{ }'\square '\] stands for \['\times '\] ' and ?*? stands for\['\div ',\] then which of the following is correct?
  A)
              done clear
  B)
    done clear
  C)
                    done clear
  D)
   f done clear
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• question_answer9)
  If \['\alpha '\] stands for\['-','\beta '\] stands for\['+','\gamma '\] stands for \['\times '\] and \['\delta '\] stands for'-', then which of the following is incorrect?
  A)
   \[137\alpha \,56\,\alpha \text{ }3\gamma \text{ }4\beta \text{ }5\alpha \text{ }8\gamma 8=-2\]          done clear
  B)
   \[~56\delta \text{ }28\gamma \text{ }19\alpha \text{ }8\alpha \text{ }15\beta 3=20\] done clear
  C)
   \[23\alpha \text{ }14\beta \text{ }15\gamma \,9\delta 9=-6\]               done clear
  D)
   All of these done clear
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• question_answer10)
  If \['\div '\] stands for 'greater than', \['\times '\]stands for 'addition', '+' stands for 'division', '-' stands for 'equal to', '>' stands for 'multiplication', '=' stands for 'less than' and '<' stands for 'minus'/ then which of the following alternatives is correct?
  A)
   \[5<2\times 1\div 3>4\times 1\]  done clear
  B)
   \[5>2<1-3\times 4\times 1\] done clear
  C)
   \[5>2\times 1-3>4<1\]  done clear
  D)
  \[~5+2x1=3+4>1\] done clear
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• question_answer11)
  In the following equation/ two signs need to be interchanged to make it correct, Choose the signs from the given options. \[\mathbf{3\times 5+3-18\div 3=12}\]
  A)
   \[\div \,and+\]               done clear
  B)
   \[\times and-\]         done clear
  C)
   \[\times \,and+\]            done clear
  D)
   + and - done clear
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• question_answer12)
  If  '+ and \['-'\] are interchanged and '4' and '8' are interchanged, then which of the following is correct?
  A)
   \[4+6-3+9=-4\]            done clear
  B)
   \[8+8-4-4=8\] done clear
  C)
  \[~9+7+6-4=6\text{ }~\]   done clear
  D)
   \[4\div 8-4+8=6\] done clear
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• question_answer13)

  Direction:-Choose the correct order of signs from the four options given below, so the equations become correct.

  66___ 27___ 13___3
  A)
   = - x                done clear
  B)
   x = -             done clear
  C)
   - = x                            done clear
  D)
   - x = done clear
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• question_answer14)

  Direction:-Choose the correct order of signs from the four options given below, so the equations become correct.

  12___ 12___8___3
  A)
   + = x             done clear
  B)
   x = +            done clear
  C)
   = + x              done clear
  D)
   + x - done clear
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• question_answer15)
  If 'P' means \['\times \] ?Q' means\['\div ',R'\] means '+' and 'S' means S then what is the value of 154 Q 14 S 7 P 3 R 25 ?
  A)
   35                                done clear
  B)
   15             done clear
  C)
   42                                done clear
  D)
   25 done clear
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• question_answer16)
  If\['\sqrt{{}}'\] denotes 'square\[~'\times '\] denotes\['+','-'\] denotes \['\times '\] and'+' denotes\['\div ',\] then \[\sqrt{20}+25\times 5-3=?\]                                                                                                                         (SOF NSO 2016)
  A)
   63                                done clear
  B)
   10              done clear
  C)
   31                                done clear
  D)
   1015                                                                            done clear
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• question_answer17)
  Study the following information and answer the question that follows.  

  'P © Q' means 'P is neither greater than nor smaller than Q'.

  'P # Q' means 'P is either greater than or equal to Q'.

  'P Q' means 'P is either smaller than or equal to Q'.

  'P % Q' means 'P is greater than Q'.

  'P @ Q' means 'P is smaller than Q'.

  If the given statements are true, then which of the following two conclusions I and II given below is/are definitely true?      (SOF NSO 2016)

  Statement : V $ T, T # R, R @ B

  Conclusions : I. V @ B        II. B % T

   
  A)
   Only I                          done clear
  B)
   Only II           done clear
  C)
   Both I and II                 done clear
  D)
   Neither I nor II                                       done clear
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• question_answer18)
  If \['-'\]stands for division, '+' stands for multiplication, \['\div '\]stands for subtraction and \['\times '\] stands for addition, then which of the following equations is CORRECT?                                                                                                                   (SOF NSO 2016)
  A)
   \[19+5-4\times 2\div 4=11\] done clear
  B)
   \[19\times 5-4\div 2+4=16\] done clear
  C)
   \[19\div 5+4-2\times 4=13\]               done clear
  D)
  \[~19-5+4-2-4=\text{ }20~~\] done clear
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• question_answer19)
  If > stands for +, < stands for -, + stands for \[\div ,\hat{\ }\] stands for \[\times ,-\]stands for =, x stands for > and = stands for <, then which of the following options is correct?                                                                                                                        (SOF NSO 2016)
  A)
   \[18>12+4\times 7>8\hat{\ }2\]                done clear
  B)
   \[31>1<2=4>6\hat{\ }7\] done clear
  C)
   \[29<18+6=36+6\hat{\ }4\]              done clear
  D)
   \[32>6+2=6<7\hat{\ }2\]                                               done clear
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• question_answer20)
     If \['\times '\] stands for 'greater than?, \['{{-}^{'}}\] stands for 'addition', \['{{\div }^{'}}\]stands for 'division',+' stands for 'equal to', '<' stands for 'multiplication', '>' stands for 'less than' and '=' stands for 'subtraction', then which of the following options is correct? (SOF NSO 2016)
  A)
   5 < 2 = 1 + 3 - 4 ? 1    done clear
  B)
   5 = 2 - 1 + 3 < 4 - 1 done clear
  C)
   5<2-1+3<4=1                  done clear
  D)
   5 - 2 - 1 > 3 - 4 < 1        done clear
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