from two firms a and b belonging to same industry the following details are available number of employees from firm a is 100and firm b is 200 and the average monthly wage firm a is rupees 4800 and form brupees 5100 standard deviation of rupees firm a rs.600 and firmb rupees 540

Question : The average monthly income of A and B is Rs, 7,000. The average monthly income of B and C is Rs, 7,750 and the average monthly income of C and A is Rs, 6,750. What is the monthly income of B?

Option 1: Rs. 6,500

Option 2: Rs. 8,000

Option 3: Rs. 7,500

Option 4: Rs. 6,000

Question : The average salary of male employees in a firm was Rs. 5200 and that of females was Rs. 4200. The mean salary of all the employees was Rs. 5000. What is the percentage of female employees?

Option 1: 80%

Option 2: 20%

Option 3: 40%

Option 4: 30%

Question : The daily wages of A and B, respectively, are Rs. 3.50 and Rs. 2.50. When A finishes a certain work, he gets a total wage of Rs. 63. When B does the same work, he gets a total wage of Rs. 75. If both of them do it together, what is the cost of the work?

Option 1: Rs. 67.50

Option 2: Rs. 27.50

Option 3: Rs. 60.50

Option 4: Rs. 70.50

Question : The goodwill of a firm is Rs.54,000 valued at 4 years purchase of super profit. The capital employed of firm is Rs.2.00,000 and normal rate of return is 10%. The average profit of firm is:

Option 1: Rs.23,500

Option 2: Rs.33,500

Option 3: Rs.20,000

Option 4: Rs.24,500

Question : A company employed 700 men and 300 women and the average wage was Rs.450 per day. If a man got Rs.50 more than a woman, then the daily wage of the woman is:

Option 1: Rs. 350

Option 2: Rs. 375

Option 3: Rs. 415

Option 4: Rs. 435