Find the digit sum of 1! + 2! + 3! + 4! + 5! + …. + 500!
Find the digit sum of 1! + 2! + 3! + 4! + 5! + …. + 500!
Option 1 -
1
Option 2 -
8
Option 3 -
9
Option 4 -
3
Asked by Shiksha User
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1 Answer
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Correct Option - 3
Detailed Solution:(c):The digit sum of factorial of numbers till 5! is 9. 6! onwards each factorial will have digit sum as 9
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