2. Sample Papers
  3. Railways

Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-16

  • question_answer
    When the price of fans was reduced by 20%, the number of fans sold is increased by 40%. What was the effect on the sales in rupees?

    A)  12% increase    

    B)  12% decrease

    C)  30% increase    

    D)  40% decrease

    Correct Answer: A

    Solution :

    Here, \[x=-20,\,\,\,y=40\] Net effect\[=\left[ x+y+\frac{xy}{100} \right]%\] Net effect\[=\left( -\,20+40-\frac{800}{100} \right)%=12%\] Positive sign shows increase.


You need to login to perform this action.
You will be redirected in 3 sec spinner