Direction: Study the following graph carefully and answer the following questions.

The production of company D is approximately how many time that of the production of company A?

A and B started business with the initial investment in the ratio 12:11 and their profit in the business were 4x and x respectively. If A invested the money for 11/12 year, then B invested the money for?

The east positive integer that should be subtracted from 3011 x 3012 so that the difference is a perfect square is-

The compound interest on Rs. 8,000 at 15% per annum for 2 years 4 months, compounded annually is:

The following table shows the number of units of product produced and sold by a company over the course of six years.

Find the ratio between the total number of units sold in 2013 and 2015 and the number of units produced in 2015 and 2016?

(sec A + tan A – 1) (sec A – tan A+1) =?

The ratio of the monthly incomes of A and B is 11 : 13 and the ratio of their expenditures is 9 : 11. If both of them manage to save ₹4,000 per month, then find the difference in their incomes (in ₹).

ΔABC is similar to ΔDEF. Length of AB is 18 cm and  length of the corresponding side  DE is 10 cm. What is the ratio  of Perimeter of ΔABC : Perimeter of ΔDEF?