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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-7

  • question_answer
    If '+' denotes '\[\div \]', '\[\times \]' denotes '\[-\]', '\[\div \]' denotes '+' and '\[-\]' denotes '\[\times \]', which of the following expressions is correct?

    A)  \[15\times 12\div 18-4\text{ }=40\]

    B)  \[72+9-13\div 6=80\]

    C) \[36+4-3\times 4\text{ }=23\]

    D)  \[56\div 13-14+6=\text{ }160\]

    Correct Answer: C

    Solution :

     
    \[+\Rightarrow \div \] \[\times \Rightarrow -\]
    \[\div \Rightarrow +\] \[-\Rightarrow \times \]
    Option [a] \[15\times 12\div 18-4=40\] \[15-12+18\times 4=40\] \[15-12+72=40\] \[\Rightarrow 87-12\cancel{=}40\] Option [b] \[72+9-13-6=80\] \[\Rightarrow 72\div 9\times 13+6=80\] \[\Rightarrow 8\times 13+6=80\] \[\Rightarrow 104+6\cancel{=}80\] Option [c] \[36+4-3\times 4=23\] \[\Rightarrow 36\div 4\times 3-4=23\]             \[\Rightarrow 9\times 3-4=23\]             \[\Rightarrow 27-4=23\] Option [d] \[56\div 13-14+6=160\] \[\Rightarrow \] 56+ 13 x 14-6= 160 \[\Rightarrow 56+\frac{91}{3}\cancel{=}160\]


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