The sides BA and DE of a regular pentagon are produced to meet at F. What is the measure of ∠EFA?

Given that y is directly proportional to x and y = 2 when x = 8. Find the value of x when y = 8.

158.25 x 4.6 + 21% of 847+?= 950.935045

 ‘A’ can complete a work in 20 days while B is 25% more efficient than ‘A’. B worked for 6 days and left, the remaining work is completed by ‘C’ in 15 days. Find how many days ‘C’ can complete the whole work alone. 

Direction: Study the information given below carefully and answer the questions given below.
Three companies A, B and C manufactured two types of bottles viz Steel and Copper. Total number of bottles manufactured by the company is 1000. The ratio between the number of copper bottles manufactured by A and the number of Steel bottles manufactured by B is 13: 17. The total number of Copper bottles manufactured by C is 164. The number of Copper bottles manufactured by B is 25 more than the same type of bottles manufactured by A. The 14.28 % of the number of Copper bottles manufactured by B is equal to the 1/9th of the total number of Steel bottles manufactured by C. The number of Steel bottles manufactured by A is 122 which is 21 less than the number of Copper bottles manufactured by the same company.

The number of copper bottles manufactured by shop D is 25% more than the number of steel bottles manufactured by shop C. Find the ratio of copper bottles manufactured by shop A and D.

Directions: Answer the questions based on the information given below:
The following line graph shows revenue and expenditure of company A for 5 years (in Lakhs):

What is the average expenditure of the company A over the years?

if 2x + 3y = 17 and 2x+2 – 3y+1 = 5, then :

The average monthly salary of all the employees in an industry is Rs. 12,000. The average salary of male employees is Rs. 15,000 and that of female employees is Rs. 8,000. What is the ratio of male employees to female employees?