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

MathematicsAn app theme has 5 backgrounds, 4 fonts, 6 icons, and 3 layouts. Two specific background-font pairs are invalid. How many valid themes are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA bag code has 2 colors and 1 shape. The colors are chosen in order from 5 colors without repetition. There are 4 shapes. If green is selected, the shape cannot be round. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingHardMathematicsA school card is specified by a card type, a color, and a validity period. There are 4 card types, 5 colors, and 3 validity periods. For one particular card type, 2 of the colors are not allowed. How many valid cards are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA 3-letter code uses 7 available letters, with the first letter fixed as M. No letter may be repeated. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA 4-digit number is formed with its first two digits chosen from 1, 2, and 3, and its last two digits chosen from 7, 8, and 9. No digit may be repeated. How many numbers are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA shopkeeper has 5 types of packets and 7 types of labels. If 3 specific packet-label pairs are not allowed, how many valid packet-label combinations are possible?Class 11Permutations and CombinationsFundamental principle of countingMediumMathematicsA 3-digit number is formed using distinct digits from 2, 3, 4, 5, 6, 7, and 8. The number must be greater than 500. How many such numbers are possible?Class 11Permutations and CombinationsFundamental principle of countingMedium

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