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Previous Year Paper

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CAT-2002-Previous Years Paper

Question
40 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


How many possible ways are there for sending petrol from any refinery to any district?



A 63
B 42
C 54
D 378

Ans. D

Number of refineries = 6

Number of depots = 7

Number of districts = 9

Therefore, Number of possible ways to send petrol from any refinery to any district is 6 7 9 = 378.

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