JEE Main 2023 (Online) 31st January Evening Shift | Permutations and Combinations Question 49 | Mathematics

Let 5 digit numbers be constructed using the digits $$0,2,3,4,7,9$$ with repetition allowed, and are arranged in ascending order with serial numbers. Then the serial number of the number 42923 is __________.

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JEE Main 2023 (Online) 31st January Morning Shift

Numerical

-1

Number of 4-digit numbers that are less than or equal to 2800 and either divisible by 3 or by 11 , is equal to ____________.

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JEE Main 2023 (Online) 30th January Evening Shift

Numerical

-1

The number of seven digits odd numbers, that can be formed using all the

seven digits 1, 2, 2, 2, 3, 3, 5 is ____________.

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