The cost of ten seats is the same as the cost of four tables. The total cost of 15 seats and 2 tables is Rs. 4000. The total cost of twelve seats and three tables is:
A. Rs. 3500
B. Rs. 3750
C. Rs. 3840
D. Rs. 3900
Answer:D
The cost of ten seats is the same as the cost of four tables. The total cost of 15 seats and 2 tables is Rs. 4000. The total cost of twelve seats and three tables is:
A. Rs. 3500 B. Rs. 3750 C. Rs. 3840 D. Rs. 3900