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Railways Sample Paper RRB (Group D) Sample Test Paper-8

  • question_answer
    If '\[-\]' stands for '+' , '+' stands for '\[\times \]', '\[\times \]' stands for'\[-\]' then which one of the following is not correct?

    A)  \[22+7-\,3\times 9=148\]

    B)  \[33\times 5-\,10+20=228\]

    C)  \[7+28-\,3\times 52=127\]

    D)  \[44-\,9+6\times 11=87\]

    Correct Answer: C

    Solution :

    [c] By options- [a] \[227+3-\,9=148\] \[154+3-\,9\] \[157-9=148\](Correct) [b] \[33-\,5+10\times 20=228\] \[33-\,5+200\] \[200+33-\,5\] \[233-\,5=228\] (Correct) [c] \[7\times 28+3-\,52=127\] \[196+3-\,52\] \[199-\,52\text{ }=147\] (Incorrect) [d] \[44+9\times 6-\,11=87\] \[44+54-\,11\] \[98-\,11\text{ }=87\] (Correct)


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