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Previous Year Paper

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CAT-2002-Previous Years Paper

Question
39 out of 50
 

There are 6 refineries, 7 depots and 9 districts. The refineries are BB, BC, BD, BE, BF and BG. The depots are AA, AB, AC, AD, AE, AF and AG. The districts are AAA, AAB, AAC, AAD, AAE, AAF, AAG, AAH and AAI. Table 1 gives the cost of transporting one unit from refinery to depot. Table 2 gives the cost of transporting one unit from depot to a district.

 

Table 1

 

BB

BC

BD

BE

BF

BG

AA

928.2

537.2

567.8

589.9

589.9

800.1

AB

311.1

596.7

885.7

759.9

759.9

793.9

AC

451.1

0

320.1

780.1

720.7

1000.1

AD

371.1

150.1

350.1

750.1

650.4

980.1

AE

1137.3

314.5

0

1157.7

1157.7

1023.4

AF

617.1

516.8

756.5

1065.9

1065.9

406.3

AG

644.3

299.2

537.2

1093.1

1093.1

623.9

 

Table 2

 

AA

AB

AC

AD

AE

AF

AG

AAA

562.7

843.2

314.5

889.1

0

754.8

537.2

AAB

532.7

803.2

284.5

790.5

95.2

659.6

442

AAC

500.7

780.2

0

457.3

205.7

549.1

331.5

AAD

232.9

362.1

286.2

275.4

523.6

525.3

673.2

AAE

345.1

268.6

316.2

163.2

555.9

413.1

227.8

AAF

450.1

644.3

346.2

372.3

933.3

402.9

379.1

AAG

654.5

0

596.7

222.7

885.7

387.6

348.5

AAH

804.1

149.6

627.2

360.4

1035.3

537.2

498.1

AAI

646

255

433.5

137.7

698.7

112.2

161.5


What is the least cost of sending petrol from refinery BB to district AAA?



A 765.6
B 1137.3
C 1154.3
D None of these

Ans. A

First we check the minimum cost of receiving at AAA.. We get O for AE. But from BB to AE is very high. Next is AC (314.5) BB to AC is 451.1. After AC, the others are high. Hence, 314.5 + 45.1 = 765.6

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