The mean of 25 numbers is 14. If 3 is added to every number, what will be the new mean?
Walking at \(\frac{3}{5}\) of his usual speed, a man covers a certain distance in one hour and 40 minutes more than the time he takes to cover the distance at his usual speed. The time taken by him to cover the same distance at his usual speed is:
\(\tfrac{7}{2}\text{ hours}\)
\(\tfrac{3}{2}\text{ hours}\)
\(\tfrac{5}{2}\text{ hours}\)
\(\tfrac{5}{3}\text{ hours}\)
Study the graph and answer the question given below.
The given graph represents the number of workers getting daily wages (in Rs.).
Total number of workers = 200
What is the difference between the percentage of workers whose daily wages are less than Rs. 500 and the percentage of workers whose daily wages are Rs. 600 and above?