Railways Sample Paper RRB (Assistant Loco Pilot & Technician) Sample Test Paper-8

  • question_answer 92) A pencil costs two and a half rupees. Amit buys one and a half dozen pencils and gives a 100-rupee note to the shopkeeper. The money he will get back is

    A)  Rs. 65                         

    B)  Rs. 30

    C)  Rs. 55             

    D)       Rs. 45

    Correct Answer: C

    Solution :

     Cost of one pencil  \[=2\frac{1}{2}=\frac{5}{2}\]  rupees Pencil bought of Amit is  \[1\frac{1}{2}\] dozen       \[=\frac{3}{\cancel{2}}\,\,\,\cancel{{{12}^{6}}}=18\]pencil Cost of 1 pencil is   \[\frac{5}{2}\]rupees \[''\,\,\,\,\,\,''\,\,\,18\,\,\,''\,\,\,\,\,\,\,''\,\,\,\frac{5}{\cancel{2}}\,\,\,\cancel{{{18}^{9}}}=45\]45 rupees rupees rest \[100-45=55\] rupees

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