The sum of all natural numbers from 75 to 97 is:A1598B1798C1958D1978Answer: D. 1978 Read Explanation: Sum of 'n' natural numbers = n(n+1)/2 =97(97+1)/2 - 74(74+1)/2 =(97*98)/2 - (74*75)/2 =4753-2775 =1978Read more in App