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Counting Principle

Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsA 4-digit PIN uses the digits 0, 1, 2, 3, 4, and 5. The first digit cannot be 0, and repetition is allowed. How many PINs are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA meal consists of one soup and one main dish, with an optional dessert. There are 4 soups, 6 main dishes, and 3 desserts. How many meal selections are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsThere are 3 routes from home to coaching and 5 routes from coaching to the library. On the return trip, neither route used on the outbound trip may be reused on its corresponding leg. How many round trips are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsUsing the letters A, B, C, D, E, and F without repetition, form 3-letter codes. The first letter cannot be A or B. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA 5-place color code uses 4 available colors. No two consecutive places may have the same color. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA four-place code has letters in its first two places and digits in its last two places. If 5 letters and 6 digits are available and repetition is not allowed, how many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsUsing the digits 0, 2, 3, 5, 7, and 8 without repetition, how many four-digit numbers can be formed if the first digit cannot be 0?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsUsing the digits 0, 1, 2, 3, 4, 5, and 6 without repetition, how many three-digit odd numbers can be formed?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsUsing the digits 1, 2, 3, 4, 5, 6, and 7 without repetition, how many three-digit even numbers can be formed?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA mobile app has (3) themes (4) fonts and (5) icon sets. If a user chooses one each how many interfaces can be made?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA wardrobe has (4) shirts (3) trousers and (2) belts. If the shirt and belt colors need not match how many outfits can be formed?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA company has (5) department codes and (6) employee codes. If an identity is made by combining one department code and one employee code how many identities are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA library card has (2) membership types (4) validity periods and (3) card colors. How many card options are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA language lab has (5) language options (3) practice levels and (2) recording modes. How many practice sets can be formed?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsA house number has (2) letter options and (10) digit options. How many numbers can be formed by choosing one letter and one digit?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsA message template has (5) greetings (3) main sentences and (4) closing sentences. How many messages can be formed?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsA train ticket has (3) classes (4) departure times and (2) seat preferences. How many ticket options are possible?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsA digital poster has (4) fonts (6) colors and (2) background textures. How many poster styles are possible?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsA school team has (4) captain options (3) vice-captain options and (2) manager options. How many ways are there to fill one of each post?Class 11Permutations and CombinationsFundamental principle of countingEasyMathematicsIn a quiz setting there are (4) language options (5) time-limit options and (3) mark options. How many setting combinations are possible?Class 11Permutations and CombinationsFundamental principle of countingEasy

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