Q72

Question:

What is the value of 1² + 2² + 3² + … + 10²?

1² + 2² + 3² + … + 10² का मान क्या है?

Options:

  • a) 375
  • b) 385
  • c) 395
  • d) 405
  • a) 375
  • b) 385
  • c) 395
  • d) 405

correct answer : b)

Explanation:

Sum of squares formula: n(n+1)(2n+1)/6 = 10×11×21/6 = 2310/6 = 385.

वर्गों के योग का सूत्र: n(n+1)(2n+1)/6 = 10×11×21/6 = 385।

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top