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Permutations and Combinations question

2023 · 29 Jan · Shift 1 · Q47
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Permutations and Combinations question

2023 · 29 Jan · Shift 1 · Q47

JEE MainMathematicsPermutations and CombinationsNumerical+4 / −1
Five digit numbers are formed using the digits 1, 2, 3, 5, 7 with repetitions and are written in descending order with serial numbers. For example, the number 77777 has serial number 1. Then the serial number of 35337 is ‾\underline{\hspace{2cm}}​.
Numerical answer
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