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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingHard
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An ID tag chooses (2) colors in order and (2) shapes in order. Colors must be distinct and shapes may repeat. There are (6) colors and (3) shapes. If the first color is red, the two shapes cannot be identical. How many tags are possible?

Answer and explanation

Correct answer: (258)

There are (30) ordered color choices. For the (5) choices starting with red, shape choices reduce from (9) to (6).

Related tags

PermutationsCombinationsCountingHardFundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
सुधार सुझाएँ / Earn

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