Two men x and y started working for a certain company at similar jobs on Jan 1, 1950. X asked for an initial salary of Rs.300 with an annual increment of Rs.30. Y asked for an initial salary of Rs. 200 with a rise of Rs.15 every six months. Assume that the arrangements remained unaltered till Dec 31 1959. Salary is paid on the last day of the month. What is the total amount paid to them as salary during the period?

1) Rs. 93,300
2) Rs. 93, 200
3) Rs. 93,100
4) None of these

• getting 93,300
  
  salary of X = 300*12+330*12+360*12........600*12
  => 12(300+330+360.....600)
  => a=300 , d=30 , n=10
  => 52,200
  
  salary of Y = 200*6+215*6......
  => 6(200+215+230.....upto 20 terms)
  => a=200 , d=15 , n=20
  => 41,100
  
  total = 93,300
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