1. Home
  2. / Forum

User Forum

Ask Your Question
aditya from carmel convent high school, badlapur
Subject :IMO    Class : Class 10
what is the a. m of first 100 natural no.s

Ans 1:

adrijab from DELHI PUBLIC SCHOOL, PANIPAT REFINERY, Panipat
Class : Class 9
the answer is 50.5. it can be solved by :sum of the nos./no. of numbers. by formula, sum of first 100 natural nos. is n*(n+1)/2=100*101/2=5050. so answer comes out to be 5050/100=50.5

Post Your Answer