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The sum of all natural numbers from 75 to 97 is:

A1598

B1798

C1958

D1978

Answer:

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 =1978


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