Question
The sum of first 'n' natural numbers is 465. Find
'n'.Solution
ATQ, Sum of first n natural numbers = n(n+1)/2 n(n+1)/2 = 465 n(n+1) = 930 30*31 = 930 So n = 30
Question
ATQ, Sum of first n natural numbers = n(n+1)/2 n(n+1)/2 = 465 n(n+1) = 930 30*31 = 930 So n = 30