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Digits

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

MathematicsUsing digits (1,2,3,4,5,6,7,8,9), how many (6)-digit numbers can be formed without repetition such that the sum of the first (3) digits equals the sum of the last (3) digits?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits from (0) to (9), how many (4)-digit numbers can be formed without repetition, greater than (5000), and even?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsA license code has (3) letters and (3) digits. Repetition is allowed among (7) letters, but not among digits (0) to (9). The sum of the digits must be odd. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (1,2,3,4,5,6,7), how many (6)-digit numbers can be formed without repetition such that (1) is never immediately before (2)?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (0,1,2,3,4,5,6,7,8), how many (5)-digit numbers can be formed without repetition if only odd digits occupy odd positions?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (0,1,2,3,4,5,6,7,8,9), how many (6)-digit numbers can be formed without repetition, divisible by (25), and containing the digit (7)?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (0,1,2,3,4,5,6,7,8,9), how many (8)-digit numbers can be formed without repetition if both (0) and (5) occur, but neither is at an end?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (1,2,3,4,5,6,7,8,9), how many (5)-digit numbers can be formed without repetition and divisible by (9)?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing the digits (0,1,2,3,4,5,6,7), how many (5)-digit even numbers can be formed without repetition and with the digit (3) included?Class 11Permutations and CombinationsFundamental principle of countingExpert MathematicsUsing digits (0,1,2,3,4,5,6,7), how many (3)-digit numbers can be formed without repetition such that the hundreds digit is greater than the units digit?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsA (6)-digit number is formed using all digits (0,1,2,3,4,5). How many such numbers have (0) and (5) not together?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsUsing digits (1,2,3,4,5,6), how many (4)-digit numbers can be formed without repetition and greater than (3000)?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsUsing digits (1,2,3,4,5,6,7,8), how many (3)-digit numbers can be formed whose digits are in increasing order?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsUsing digits (0,2,4,6,8,9), how many (4)-digit odd numbers can be formed without repetition?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsUsing digits (2,3,4,5,6,7,8), how many (5)-digit numbers can be formed without repetition and divisible by (4)?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsUsing digits (0,1,2,3,4,5,6), how many (4)-digit numbers can be formed without repetition and divisible by (3)?Class 11Permutations and CombinationsFundamental principle of countingHard MathematicsHow many (4)-digit numbers can be formed from digits (1,2,3,4) without repetition?Class 11Permutations and CombinationsFundamental principle of countingEasy MathematicsHow many (3)-digit numbers can be formed from digits (2,3,4,5) with repetition allowed?Class 11Permutations and CombinationsFundamental principle of countingEasy MathematicsHow many (3)-digit numbers can be formed from digits (0,2,5,7) without repetition?Class 11Permutations and CombinationsFundamental principle of countingEasy MathematicsHow many (3)-digit numbers can be formed from digits (1,3,5,7,9) without repetition?Class 11Permutations and CombinationsPermutationsEasy