A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform?

• A. Rs.90
• B. Rs.85
• C. Rs.100
• D. Rs.80

Answer: (C)

9/12 = 3/4 * 900 = 675                                650                                -------------                                 251/4 -------- 251 --------- ?  => Rs.100