A concert is organised to earn the revenue of ₹ 1,80,000 which can be distributed among the needy people during the period of Covid-19. The concert hall has 4,000 seats which are divided into two sections A and B . The cost of a ticket in Section A is ₹50 and that of Section B is ₹40. All the seats are occupied.

Attempt Question:
If equations are to be solved through the matrix method in the form of AX=B, then what will be matrix A and matrix B:

Options

A. `A=[(1,1),(5,4)],B =[(4000),(18000)]`
B. `A=[(5,4),(1,1)],B =[(4000),(18000)]`
C. `A=[(1,5),(1,4)],B =[(18000),(4000)]`
D. `A=[(1,4),(1,5)],B =[(4000),(18000)]`

Answer

A