The marked price of an article is ₹400. After allowing a discount of 20% on the marked price, a shopkeeper makes a loss of ₹48. His loss percentage is:
\(14 \tfrac{1}{23}\%\)
\(13 \tfrac{1}{23}\%\)
\(15 \tfrac{1}{23}\%\)
\(17 \tfrac{1}{23}\%\)
If x is subtracted from each of 52, 47, 20 and 19, the numbers so obtained in this order are in proportion. What is the mean proportional between (x+4) and (x-8)?
Study the following bar graph that shows the number of students enrolled for different courses in institutes A and B during 5 years, and answer the question that follows.
The average number of students (per year) enrolled in A during 2015,2016 and 2018 is what percentage less than the number of students enrolled in B during 2015 (correct to one decimal place)?