7th Class Mathematics Integers Question Bank Integer

  • question_answer
    Find P, Q, R and S.                     
    (i) The sum of two integers is 71. If one of them is \[-101,\]then other integer is P   .
    (ii) The product of an integer and Q is zero.
    (iii) R is the quotient when an integer is divided by itself.
    (iv) Additive inverse of -7 is S.
               

    A)
    P Q R S
     172 0 1 7
                   

    B)
    P Q R S
     184 1 2 7
                   

    C)
    P Q R S
     172 1 1 7
                   

    D)
    P Q R S
     172 0 2 7

    Correct Answer: A

    Solution :

    (i) Let the other integer be P One integer \[=-101\] \[\therefore \] According to question,\[P-101=71\]        \[\Rightarrow \]  \[P=71+101=172\] \[\therefore \] Other integer = P = 172                   (ii) Let the integer be x                        According to question,                         \[x\times Q=0\,\,\Rightarrow \,\,Q=\frac{0}{x}=0\] (iii) Let integer be x                   According to question, \[x\div x=R\,\,\Rightarrow \,\,R=1\] (iv)\[S=7\]                                                       


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