Lord Kratos

CAT Preparation Community 10y ago

How many different signals can be made by hoisting 5 different colored flags one above the other,when any number of them may be hoisted a time? (a) 2^5 (b)5P5 (c)325 (d) None

3

Suri GangulaFaculty 9y ago

Sahil Jain 10y ago

325=5P1+5P2.....+5P5

Manu Jindal 10y ago

There are 5 flags.
Total Number of signals made using 5 different colored flags = 5p1+5p2+5p3+5p4+5p5 = 325

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