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8th Class Mathematics Linear Equations in One Variable Question Bank Linear Equations in One Variable

  • question_answer
    The digits in the tens place and units place of a two digit number are t and u respectively. lf1 is placed between them, what is the value of the three digit number so formed ?

    A)  \[100u+t+10\]

    B)                          \[100t+10+u\]

    C)                         \[10t+u+1\]

    D)                         \[100t+10u+1\]

    Correct Answer: B

    Solution :

    The two digit number is as given in the following box.
    Tens Units
    t u
    If 1 is placed between the digits, the three digit number formed is as shown.                                
    Hundreds Tens Units
    t 1 u
    \[\therefore \]  Its value is \[100t+10+u\].


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