7th Class Mathematics Decimals and Fractions Question Bank

done Fractions and Decimals Total Questions - 30

• question_answer1)
  Find the perimeter of:

  (i) \[\Delta ABC\]

  (ii) rectangle BCDE

                         
  A)

  (i)	(ii)
  \[8\frac{1}{60}cm\]	\[5\,cm\]

                  done clear
  B)

  (i)	(ii)
  \[5\,cm\]	\[10\frac{1}{6}cm\]

                  done clear
  C)

  (i)	(ii)
  \[8\frac{1}{60}\,cm\]	\[10\frac{1}{5}\,cm\]

                  done clear
  D)

  (i)	(ii)
  \[8\,cm\]	\[23\,cm\]

  done clear
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• question_answer2)
  The value of\[\left( 1-\frac{1}{2} \right)\left( 1-\frac{1}{3} \right)\left( 1-\frac{1}{4} \right)....\left( 1-\frac{1}{10} \right)=\]________.
  A)
   \[\frac{10}{11}\]        done clear
  B)
                      \[\frac{1}{9}\]            done clear
  C)
   \[\frac{1}{10}\]                      done clear
  D)
          \[\frac{1}{2}\] done clear
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• question_answer3)
  The vulgar fraction of \[0.231\]can be: expressed as ____.
  A)
   \[\frac{229}{990}\]                            done clear
  B)
   \[\frac{229}{900}\]    done clear
  C)
   \[\frac{231}{1000}\]  done clear
  D)
          \[\frac{231}{999}\] done clear
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• question_answer4)
  If we multiply a fraction by itself, the fraction thus obtained is \[\frac{16}{81}\]. The original fraction is
  A)
   \[\frac{8}{27}\]                                  done clear
  B)
   \[2\frac{2}{3}\]                      done clear
  C)
   \[1\frac{1}{3}\]                      done clear
  D)
          \[\frac{4}{9}\] done clear
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• question_answer5)
  The fractions \[\frac{2}{4},\frac{3}{6},\frac{4}{8}\] and \[\frac{5}{10}\] are each equivalent to\[\frac{1}{2}\]. Which of the following statements represents the relation between the numerator and denominator of the fractions given above?
  A)
   The numerator is twice the denominator. done clear
  B)
   The denominator is twice the numerator. done clear
  C)
   The numerator is 2 more than the denominator. done clear
  D)
   The denominator is 2 more than the numerator. done clear
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• question_answer6)
  What fraction of the figure is shaded?
  A)
   \[\frac{1}{4}\]                                    done clear
  B)
   \[\frac{3}{8}\]                        done clear
  C)
   \[\frac{5}{8}\]                        done clear
  D)
          \[\frac{8}{11}\] done clear
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• question_answer7)
  How many more unit squares in the figure must be shaded so that the fraction of shaded squares is \[\frac{7}{9}\]?
  A)
   1                                 done clear
  B)
   3                     done clear
  C)
   6                     done clear
  D)
          8 done clear
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• question_answer8)
  Which of the following options represents \[\frac{3}{4}\]of 8 parts shaded?
  A)
     done clear
  B)
    done clear
  C)
    done clear
  D)
   None of these done clear
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• question_answer9)
  Find the value of x. \[3889+12.952-x=3854.002\]
  A)
   \[47.095\]                    done clear
  B)
   \[47.752\]        done clear
  C)
          \[47.932\]        done clear
  D)
          \[47.95\] done clear
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• question_answer10)
  Which of the following will make the given expression TRUE? \[\left[ \frac{7}{3}-\frac{2}{6} \right]-\frac{1}{2}+\left[ \frac{4}{5}\div \frac{6}{8} \right]+\frac{3}{4}\ \]             \[\frac{4}{5}\div \left[ \frac{6}{8}+\frac{3}{4} \right]-\left[ \frac{3}{4}+\frac{5}{6} \right]+3\frac{1}{3}\]
  A)
   >                            done clear
  B)
   <                    done clear
  C)
          =                      done clear
  D)
         Can't be determined                done clear
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• question_answer11)
  The quotient when \[0.00639\]is divided by \[0.213\]is____.                      
  A)
   \[0.3\]                          done clear
  B)
  \[0.03\]             done clear
  C)
   \[0.003\]         done clear
  D)
          3              done clear
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• question_answer12)
  Evaluate:  \[\frac{2\frac{5}{4}-4\frac{7}{6}+3\frac{1}{3}}{0.087+0.3717\div 0.9}\]
  A)
   \[2.833\]  done clear
  B)
   \[0.28\]            done clear
  C)
          \[0.000028\]     done clear
  D)
          \[0.00028\] done clear
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• question_answer13)
  If the LCM of three numbers is 9570, then their HCF is
  A)
   11                               done clear
  B)
   12                   done clear
  C)
   19                   done clear
  D)
          21 done clear
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• question_answer14)
  Pictorial representation of \[3\times \frac{2}{3}\] is :
  A)
    done clear
  B)
    done clear
  C)
    done clear
  D)
    done clear
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• question_answer15)
  Simplify:  \[\frac{(0.2\times 0.2+0.01)}{(0.1\times 0.1+0.02)}\]
  A)
   \[\frac{5}{3}\]                                    done clear
  B)
   \[\frac{41}{12}\]                    done clear
  C)
   \[\frac{41}{4}\]                      done clear
  D)
          \[\frac{9}{5}\] done clear
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• question_answer16)
  When 40257 is divided by 213, the quotient is 189, what will be the quotient when 40.257 is divided by 0.0189?                                   
  A)
   21300                         done clear
  B)
   213                 done clear
  C)
          1890               done clear
  D)
          2130 done clear
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• question_answer17)
  \[54.327\times 357.2\times 0.0057\]is the same as
  A)
   \[5.4327\times 3.572\times 5.7\] done clear
  B)
   \[5.4327\times 3.572\times 0.57\] done clear
  C)
   \[54327\times 3572\times 0.0000057\] done clear
  D)
   \[5432.7\times 3.572\times 0.000057\] done clear
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• question_answer18)
  If the numerator and denominator of a proper fraction are increased by the same quantity, then the resulting fraction is
  A)
   Always greater than the original fraction. done clear
  B)
   Always less than the original fraction. done clear
  C)
   Always equal to the original fraction. done clear
  D)
   None of the above. done clear
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• question_answer19)
  Simplify: \[\frac{1+\frac{1}{2}}{1-\frac{1}{2}}+\frac{4}{7}\left( \frac{2}{5}+\frac{3}{10} \right)\] of \[\left( \frac{\frac{1}{2}+\frac{1}{3}}{\frac{1}{2}-\frac{1}{3}} \right)\]
  A)
   \[\frac{2}{3}\]                                    done clear
  B)
   \[37\frac{1}{2}\]        done clear
  C)
          \[\frac{3}{2}\]                        done clear
  D)
          \[18\frac{3}{8}\] done clear
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• question_answer20)
  The value of \[738.6\times 5.4+7.8\div 2.6=\]
  A)
   \[3252.84\]                  done clear
  B)
   \[1537.01\]      done clear
  C)
          \[3991.44\]      done clear
  D)
          \[3992.44\] done clear
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• question_answer21)
  A farmer has 192 animals, out of which \[\frac{7}{16}\]are cattle. \[\frac{2}{3}\] of catties are dairy cows. How many dairy cows he has?                               
  A)
   128                             done clear
  B)
   84                   done clear
  C)
          56                   done clear
  D)
          112           done clear
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• question_answer22)
  Sneha and Sidak have Rs. 41 altogether. \[\frac{1}{4}\]of Sneha's money is Rs. 2 more than \[\frac{1}{7}\] of Sidak's money. How much money Sneha has?                              
  A)
   \[Rs.27.5\]                   done clear
  B)
   Rs.20  done clear
  C)
   \[Rs.30.50\]    done clear
  D)
               Rs.29           done clear
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• question_answer23)
  Akshit, Rajat, Sanjay and Nikunj each took the same spelling test.

  Akshit spelled \[\frac{7}{10}\] of the words correctly.

  Rajat spelled \[\frac{3}{4}\] of the words correctly.

  Sanjay spelled \[\frac{4}{5}\] of the words correctly.

  Nikunj spelled \[\frac{2}{3}\] of the words correctly.

  Who spelled the least number of words correctly?
  A)
   Akshit                         done clear
  B)
   Rajat   done clear
  C)
          Sanjay            done clear
  D)
          Nikunj done clear
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• question_answer24)
  In how many parts can a rod of length \[19.5\text{ }m\]be broken into equal lengths of 65 cm?
  A)
   20                               done clear
  B)
   30                   done clear
  C)
   3                     done clear
  D)
          130 done clear
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• question_answer25)
  A milkman sells 42 litres of milk at \[Rs.\text{ }19.75\]per litre to a hostel. How much money should he get from the hostel?
  A)
   Rs.1892          done clear
  B)
   Rs.829.50       done clear
  C)
          Rs.165.85      done clear
  D)
          Rs.122.50 done clear
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• question_answer26)
  If \[63.9805=6A+\frac{3}{B}+9C+\frac{8}{D}+5E,\] then what is the value of \[4A+7B+6C+D+3E\]?
  A)
   \[47.603\]                    done clear
  B)
   \[4.7603\]        done clear
  C)
          \[147.6003\]     done clear
  D)
          \[47.6003\]        done clear
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• question_answer27)
  Which of the following statements is CORRECT?
  A)
   The products of fractions are expressed as\[\frac{Product\text{ }of\text{ }the\text{ }numerators~}{Product\text{ }of\text{ }the\text{ }denominators~~}\] done clear
  B)
   The product of two proper fractions is greater than the individual fractions    involved in the operation. done clear
  C)
          The product of a proper and an improper fraction is less than the      proper fraction. done clear
  D)
   When a decimal number is to be divided by 10,100 or 1000, the decimal in the decimal number is shifted to the right.      done clear
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• question_answer28)
  Mohit and Rohit go for shopping to a mall. They bought a pair of jeans and 2 shirts.

  	Store P	Store Q	Store R
  One pair of Jeans	\[Rs.399.70\]	\[Rs.449.90\]	\[Rs.449.50\]
  One Shirt	\[Rs.222.40\]	\[Rs.224.80\]	\[Rs.204.60\]

  (a) At which store should Mohit and Rohit shop to spend the least amount of money?      (b) Mohit and Rohit bought a pair of jeans from store R, 1 shirt from store P and another shirt from store Q. If they had Rs. 1000, how much will be left?                       
  A)

  A	B
  S	Rs.52

                  done clear
  B)

  A	B
  P	Rs.53.30

                  done clear
  C)

  A	B
  Q	Rs.53.30

                  done clear
  D)

  A	B
  Q	Rs.65.50

  done clear
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• question_answer29)
  Study the following statements.         

  Statement 1: Fraction of shaded part of  is \[\frac{7}{16}\].

  Statement 2: Fraction of shaded part of  is \[\frac{4}{9}\].

  Which of the following options holds?
  A)
   Both Statement-1 and Statement-2 are true. done clear
  B)
   Statement-1 is true but Statement-2 is false. done clear
  C)
   Statement-1 is false but Statement-2 is true. done clear
  D)
   Both Statement-1 and Statement-2 are false. done clear
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• question_answer30)
  Match the following.

  Column	Column
  (P) \[2\div 0.5\]	(i) 20
  (Q) \[5\div 0.25\]	(ii) \[0.25\]
  (R) \[0.75\div 3\]	(iii) \[0.1\]
  (S) \[0.5\div 5\]	(iv) 4

  A)
   (P)\[\to \](ii), (Q)\[\to \](i), (R)\[\to \](iv), (S)\[\to \](iii) done clear
  B)
   (P)\[\to \] (iv), (Q)\[\to \] (ii), (R)\[\to \](i), (S)\[\to \](iii) done clear
  C)
   (P)\[\to \] (i), (Q)\[\to \](iv), (R)\[\to \](ii), (S)\[\to \](iii) done clear
  D)
   (P)\[\to \] (iv), (Q)\[\to \](i), (R)\[\to \](ii), (S)\[\to \](iii) done clear
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