Elitmus Exam

Given series 121122122212222122222 .what is the sum of first 1234 terms

Read Solution (Total 1)

x*(x+1)/2=n where x is no of 1s and m is total no. of term so
48+ 2*(48*49/2)+1+(2*9)=2419
11 years agoHelpfull: Yes(2) No(2)

Elitmus Other Question

stop posting some bank P.O type questions in elitmus section.specially to Ajay namdev plz post your questions in ibps section,if u really have elitmus questions then only post in elitmus section Given series 12122122212222122222... .what is the sum of first 1234 terms