Shaalaa.com | Solving Linear Systems Using Matrices
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Find the sequence that minimizes the total elapsed time (in hours) required to
complete the following jobs on the machine M_{1} , M_{2} and M_{3} in the order M_{1}M_{2}M_{3} :
Machine Jobs | A | B | C | D |
M_{1} | 5 | 6 | 9 | 5 |
M_{2} | 2 | 4 | 5 | 3 |
M_{3} | 3 | 5 | 6 | 7 |
A pharmaceutical company has four branches, one ea.ch at city A, B, C, D. A branch manager is to be appointed one at each city, out of four candidates P, Q, R and S. The monthly business deyending upon the city and the effectiveness of the branch manager in that city is given below :
City | ||||
A | B | C | D | |
Monthly business (₹ lakh) | ||||
P | 10 | 10 | 8 | 8 |
Q | 12 | 15 | 10 | 9 |
R | 11 | 16 | 12 | 7 |
S | 15 | 13 | 15 | 11 |
Which manager should be appointed at which city so as to get the maximum total monthly business·?