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0 മുതൽ 60 വരെയുള്ള അഖണ്ഡ സംഖ്യകളുടെ തുക എത്ര?

A1310

B1770

C1810

D1830

Answer:

D. 1830

Read Explanation:

0+1+..............60 0 മുതൽ 60 വരെ 61 സംഖ്യകൾ ഉണ്ട് n = 61 അഖണ്ഡ സംഖ്യകളുടെ തുക = n(n-1)/2 = 61 × 60/2 = 1830


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