((First term + last term)/2 )* no. of terms= sum of consecutive terms
((m+n)/2)*(m+n-1)
answer B
hope this is the correct way?
((m+n)/2)*(m+n-1)
answer B
hope this is the correct way?
Statistics : Posted by AnuK2222 • on 04 Jun 2019, 00:43 • Replies 4 • Views 2492
