The average salary of Raj and Roshan is Rs. 4000 but the average salary of Raj, Roshan and Thomas is Rs. 5000. What is the salary of Thomas?	Choose the correct answer
A) 4000 B) 5000 C) 6000 D) 7000 E) 8000
Total salary of Raj and Roshan= 2x4000=8000   Total salary of Raj Roshan and Thomas= 3x5000=15000   Salary of Thomas= 15000-8000= Rs. 7000   Answer: 7000
<result>D</result>
The average salary of Raj and Roshan is Rs. 4000 but the average salary of Raj, Roshan and Thomas is Rs. 5000. What is the salary of Thomas?