9th Class Mental Ability Mathematical Operations Question Bank

done Mathematical Operations Total Questions - 20

• question_answer1)
  If \[\times \]stand for addition,\[\div \] stands for subtraction, + stands for multiplication and ? stands for division, then \[(20\times 6\div 6\times 4)\] is equal to:
  A)
  5      done clear
  B)
                     24      done clear
  C)
  25                     done clear
  D)
         80 done clear
  E)
  None of these done clear
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• question_answer2)
  If \[\times \] stands for add, y stands for subtract, z stands for divide and p stands for multiply, then what is the value of \[\left( 7\,p\,\,3 \right) y 6\times 5?\]
  A)
  5                      done clear
  B)
         10         done clear
  C)
  15                     done clear
  D)
         20 done clear
  E)
  None of these done clear
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• question_answer3)
  If \[\div \] means +, ? means \[\div \], \[\times \] means ? and + means \[\times \] , then \[\frac{(36\times 4)-8\times 4}{4+8\times 2+16\div 1}=?\]
  A)
  0        done clear
  B)
         8          done clear
  C)
  12                                 done clear
  D)
  16 done clear
  E)
  None of these done clear
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• question_answer4)
  If '+' means ?divided by?, \['-'\] means ?add?, \['\times '\] means ?minus and \['\div '\] means ?multiplied by?, what will be the value of the following expression \[[\{(17\times 12)-(4/2)\}+(23-6)]\div 0\]
  A)
  infinite               done clear
  B)
         0       done clear
  C)
  118                   done clear
  D)
         219 done clear
  E)
  None of these done clear
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• question_answer5)
  If \[\times \] stands for ?,\[\div \] stands for +, + stands for \[\div \] and ? stands for\[\times \], which one of the following equations is correct?
  A)
  \[15-5\div 5\times 20+10=6\] done clear
  B)
         \[8\div 10-3+5\times 6=8\] done clear
  C)
  (c)\[6\times 2+3\div 12-3=15\]    done clear
  D)
  \[3\div 7-5\times 10+3=10\] done clear
  E)
  None of these done clear
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• question_answer6)
  If the given signs - and x, and numbers 3 and 6 are interchanged, which one of the following equations would be correct?
  A)
  \[4\times 3-6=19\]       done clear
  B)
         \[6\times 1-3=12\] done clear
  C)
  \[3-6\times 8=10\]       done clear
  D)
  \[3\times 6-18=24\] done clear
  E)
  None of these done clear
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• question_answer7)

  Direction: In each of the following questions some symbols are represented by letters as shown below:

  \[+\] \[-\] \[\times \] \[\div \] \[=\] \[>\] \[<\] B G E C D A F

  Now, identify the correct expression in each case.
  A)
  18 C 3 D 6 B 8 C 4 G 12             done clear
  B)
  18 A 3 E 6 B 8 G 4 B 12 done clear
  C)
  18 C 3 G 6 B 8 B 4 D 12    done clear
  D)
  18 F 3 B 6 E 8 G 4 E 12 done clear
  E)
  None of these done clear
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• question_answer8)

  Direction: In each of the following questions some symbols are represented by letters as shown below:

  \[+\] \[-\] \[\times \] \[\div \] \[=\] \[>\] \[<\] B G E C D A F

  Now, identify the correct expression in each
  A)
  15 B 5 G 8 B 4 G 6 F 3              done clear
  B)
  15 C 15 B 8 F 4 B 6 C 3 done clear
  C)
  15 A 5 E 8 C 4 B 6 E 3               done clear
  D)
  15 C 5 F 8 C 4 B 6 C 3 done clear
  E)
  None of these done clear
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• question_answer9)
  If \[2010\] means\[200\], \[8\div 4\]means 12, \[6\times 2\] means 4, then \[100-10\times 1000\div 1000+100\times 10=?\]
  A)
  0         done clear
  B)
         20         done clear
  C)
  1090                 done clear
  D)
         1900 done clear
  E)
  None of these  done clear
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• question_answer10)
  If \[''x''\] stands for \[''+''\]; \[''y''\]stands for \[''-''\]; \[''z''\] stands for \[''\div ''\] and \[''w''\]stands for \[''\times ''\], then 10w 2x 5y 5 = ?
  A)
  15                     done clear
  B)
         12         done clear
  C)
  20      done clear
  D)
         10 done clear
  E)
  None of these done clear
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• question_answer11)
  If \[\div \] means\[\times \], \[\times \]means+, + means ? and ? means\[\div \], find the value of \[16\times 3+5-2\div 4.\]
  A)
  9   done clear
  B)
         10          done clear
  C)
  19                     done clear
  D)
         All of these done clear
  E)
  None of these done clear
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• question_answer12)
  If \[\div \] implies =, \[\times \]implies <, + implies >, ? implies\[\times \], > implies\[\div \], < implies +, = implies ?, identify the correct expression.
  A)
  \[1-3>2+1-5=3-1<2\] done clear
  B)
           \[1-3>2+1\times 5=3\times 1>2\] done clear
  C)
  \[1\times 3>2+1\times 5\times 3-1>2\]          done clear
  D)
  \[1-3>2+1\times 5+3-1>2\] done clear
  E)
  None of these done clear
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• question_answer13)
  What will be the correct mathematical signs that can be inserted in the following equations? \[25-5-8-60=100\]
  A)
  \[-\times +\]                   done clear
  B)
         \[\div -+\] done clear
  C)
  \[\div +-\]                   done clear
  D)
        \[\div \times +\] done clear
  E)
  None of these done clear
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• question_answer14)
  If A + D > C + E, C + D = 2B and B + E > C + D, it necessarily follows that.
  A)
  A+D>B+E         done clear
  B)
         A+D>B+C done clear
  C)
  A+B>2D            done clear
  D)
         B+D>C+E done clear
  E)
  None of these done clear
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• question_answer15)
  If  means \['\times '\],   means \['+'\],  means \['\div '\] \['>'\] means\['='\], \['<'\] means \['\ne '\] means \['>'\] and  means \['<'\] then which one of the following equations is correct ?
  A)
  30  10  6  8   7                 done clear
  B)
  5 2  9  3 done clear
  C)
  9  25  5 > 13                 done clear
  D)
  11  5  6 3 9 40 done clear
  E)
  None of these done clear
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• question_answer16)
  If the + and \[\times \]signs of the following equations are interchanged, what will be the correct equation?
  A)
  \[7\times 5+3=20\]     done clear
  B)
         \[4+9\times 1=42\] done clear
  C)
  \[6\times 5+8=46\]   done clear
  D)
         \[2+11\times 4=28\] done clear
  E)
  None of these done clear
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• question_answer17)
  If \['A'\] means \['\div '\]\['B'\] means \['+'\], \['C'\] means \['\times '\] and \['D'\] means \['-'\], then 12 C 4 A 24 D 10 B 1 =?
  A)
  \[11\frac{1}{2}\]            done clear
  B)
         \[23\]         done clear
  C)
  \[-7\]      done clear
  D)
         \[16\frac{4}{5}\]            done clear
  E)
  None of these done clear
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• question_answer18)
  If \['+'\] stands for \['\times '\]; \['\times '\] stands for \['\div '\];\['\div '\] stands for \['-'\] and \['-'\] stands for \['+'\] then \[2-8\times 2+6\div 7=?\]
  A)
  32                     done clear
  B)
         19        done clear
  C)
  23                     done clear
  D)
         9 done clear
  E)
  None of these done clear
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• question_answer19)
  Which one of the following signs, if changed, will make the equation correct? \[25\div 5+17\times 2-6=10\]
  A)
  \[\div \,and\,-\] done clear
  B)
                       \[+\,and\,-\] done clear
  C)
  \[\times \,and\,-\] done clear
  D)
         \[\div \,and\,-\] done clear
  E)
  None of these done clear
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• question_answer20)
  If \['a'\] stands for \['\div '\], \['b'\] stands for \['\times '\], \['c'\] stands for \['+'\] and \['d'\] stands for\['-'\] then 5 c 20 a 4 b 2 d 10 =?
  A)
  5       done clear
  B)
         10         done clear
  C)
  15                     done clear
  D)
         20 done clear
  E)
  None of these done clear
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