X, Y and Z had taken a dinner together. The cost of the meal of Z was 20% more than that of Y and the cost of the meal of X was 5/6 as much as the cost of the meal of Z. If Y paid 100, then what was the total amount that all the three of them had paid?

• A. Rs 285
• B. None of these
• C. Rs300
• D. Rs355