A Microwave oven is sold in Hyderabad for Rs.M. A retailer, Elahi from Hyderabad went to Madras and bought it for 25% less (when compared to the price in Hyderabad). He spends Rs.1,000 on transport to bring it from Madras to Hyderabad. He sold it in Hyderabad for Rs.M making a profit of 10%. Find the value of M (in Rs.).

DIRECTIONS: These questions are based on the following information.
A company XYZ Ltd has three units - P, Q and R. In each of these units there are five departments— Production, Marketing, Finance, HR and Accounts. The total number of employees in P, Q and R are in the ratio 3 : 5 : 4. The total number of employees in Production, Marketing, Finance, HR and Accounts in all the three units together are in the ratio 5 : 3: 1 : 1: 2. The ratio of the number of male employees of XYZ Ltd to that of the female employees of XYZ Ltd is 2 : 1. In each of the three units, there is no female employee in the Production department and no male employee in the HR department. In each of Marketing, Finance and Accounts departments at each of the units, males and females are equal in number. Also the total number of employees in Marketing, Finance and Accounts departments are equally distributed among each of the units. The company has 36,000 employees in total and the number of male employees in the production department at P, Q and R are in the ratio 2 : 8: 5.

In which unit the number of female employees as a percentage of the total number of employees is the highest?

The value of  $${cosec^2} 18° -{1\over cot^272°}$$.

An amount of Rs.56,742 is divided between X and Y in the ratio of 19 : 23. What is the difference between thrice the share of X and twice the share of Y?

The value of an article depreciates every year at the rate of 10% of its value. If the present value of the article is  Rs 729, then its worth 3 years ago was

If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is