Follow a definite pattern. Observe the same and fill in the blanks with suitable answers.
(3, 4, 5), (6, 6, 6), (10, 9, 8), (15, 13, 11), (21, 18, 15), -------
$$\frac{9}{3}, \frac{28}{4}, \frac{126}{6}, \frac{344}{8}, ------$$
The following table gives the profits(in lakhs of rupees)on four items A, B, C and D manufactured by a company during the financial years 2010-11 to 2014-15. Using the table answer the questions.
Taking the total profit during the financial year 2012-13 of the company what percentage of profit is earned on the item A?
What is the percentage increase of profit on item B during 2012-2013 over the previous year?
Which item has given maximum profit in all the years put together?
Which item has the reduced profit compared to previous year twice during the five years?