Two consecutive no. are removed from the progression 1,2,3,4,.............n the arithmetic mean of the remaining no. 261/4.The value of n is

• ans is 7 and 8
  
  sum of remaining no.s=105/4(n-2)
  
  sum of two nos are=a+a+1
  
  sum of n nos is=n(n+1)/2
  
  2a+1+105/4(n-2)=n(n+1)/2
  
  put the options .... the one in which a will be coming in integer will be the answer
• 9 years agoHelpfull: Yes(4) No(1)
• dude it is 26 1/4 not 261/4.
• 9 years agoHelpfull: Yes(3) No(0)
• 50 may be
  
• 9 years agoHelpfull: Yes(1) No(1)
• answer 50
  
• 9 years agoHelpfull: Yes(0) No(1)
• options are 50,60,81,cannot be determined....!! NOW SOLVE IF U CAN
• 9 years agoHelpfull: Yes(0) No(0)