What is the total number of employees in the company? Which of the following option is sufficient alone to find the answer? A) In the company, employees like either tea or coffee or cold drink. Out of the total employees, 25% like tea and 40% like coffee. Out of remaining employees, 20% like cold drink and remaining employees don’t like any of these drinks. B) Out of total employees 18% working in the marketing departments, 35% working in IT departments. From the remaining employees 25% working in HR departments and 45% working in content departments and remaining 141 are working in other departments. C) Employees working in the company is form state X, Y and Z. 20% of employees working in the company is from state X and from remaining 60% employees is from state Z and the remaining employees is from the state Y. D) 60% of the employees in the company are married and remaining employees are unmarried. The ratio of male and female unmarried employees is 4 : 5 and ratio of married male and female employees is 3 : 4. Correct Answer Only B Let total number of employees in the company is Q. From a : Number of employees who like coffee = 0.4Q Number of employees who like tea = 0.25Q Number of employees who like cold drink = 0.35 × 0.2Q From data we cannot find out the answer. From b : Number of employees working in marketing determent = 0.18Q Number of employees working in IT determent = 0.35Q Number of employees working in HR determent = 0.47 × 0.25Q = 0.1175 Number of employees working in content determent = 0.47 × 0.45Q = 0.2115Q Remaining working in the other department = 141 ⇒ Q – (0.18 + 0.35 + 0.1175 + 0.2115)Q = 141 ⇒ 0.141Q = 141 ⇒ Q = 1000 Hence, option b is sufficient. From C : Employees from state X = 0.2Q Employees from state X = 0.8 × 0.6Q = 0.48Q So, remaining from state Y. But from this information, we cannot find the answer. From D : Married employees = 0.6Q and unmarried employees = 0.4Q The ratio of male to female unmarried employees is 4 : 5 and ratio of married male and female employees is 3 : 4. But from this information, we cannot find the answer.