Mrs. Deepa Devi saves 30% of her salary. If she receives Rs.42,000 per month as her salary, what is her monthly expenditure?

In an office there are 50 men and 30 women and their average salary is Rs.22500 and every woman gets Rs. 400 less than a man. Find the salary of a man.

The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years the average of the family at the birth of the youngest member was -

Directions: Each of the questions consists of a question followed by three statements. You have to study the questions and the statements and decide which of the statements(s) is/are necessary to answer the question. 

What is the area of the hall?
 I. Material cost of flooring per sq. meter is Rs. 250
 II. labor cost of flooring the hall is Rs. 3,500
 III. Total cost of flooring the hall is Rs. 14,500

Mr. Girdhar spends 50 % of his monthly income on household items and out of the remaining he spends 50% on transport 25% on entertainment, 10% on sports and remaining amount of Rs.900 is saved. What is Mr.Giridhar's monthly income? 

A used car dealer sells a car for Rs 7.6 lakhs and makes some loss. If he had sold if for Rs.9.2 lakhs his profit would been thrice of his loss. What was the cost price of the car (in Rs. Lakhs)? 

Study the following pie-diagrams carefully and answer the question given below it.
PERCENTAGE COMPOSITION OF HUMAN BODY 

 In the human body, what part is made of neither bones nor skin?