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Maths Puzzle
1!+2!+3!+.....+50! = ???
Read Solution (Total 3)
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- the numbers after 5! will have their unit digit as 0.
bcz all nos will have (5*2) as their subpart.
hence we have to consider nos only till 4! for unit digit.
1!+2!+3!+4! = 33
hence unit digit = 3 - 12 years agoHelpfull: Yes(1) No(0)
- @Nishi
Mam But..Unit digit is not asked..The total summation is being asked.. - 12 years agoHelpfull: Yes(1) No(0)
- but there are 3 qsn mark??
- 12 years agoHelpfull: Yes(0) No(0)
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