1!+2!+3!+.....+50! = ???

• 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
• 11 years agoHelpfull: Yes(1) No(0)
• @Nishi
  
  Mam But..Unit digit is not asked..The total summation is being asked..
• 11 years agoHelpfull: Yes(1) No(0)
• but there are 3 qsn mark??
  
• 11 years agoHelpfull: Yes(0) No(0)