Question

Find the value of 1²+2²+3²+.....+10²

• A. 425
• B. 325
• C. 385
• D. 400

Answer 1

Answer:

C. 385

Read Explanation:

Sum of squares of first 'n natural numbers =[n(n+1) (2n+1) /6] = 10 (10+1) (2 x10+1) / 6 = (10 x 11 x 21) / 6 = 385

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