Mathematics · 2021
JEE Main · 4 August 2021, Shift 2 · Q84
The unit digit in the sum of 1!+2!+3!+….+2021! is \ \ \ \.
The unit digit in the sum of $\displaystyle 1!+2!+3!+\ldots .+2021!$ is \_\_\_\_.
Official answer
3
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JEE Main 2021 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.