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1. 1^3 + 2^3 + 3^3 + ...................... + 60^3 = কত?
- A. 3348300
- B. 3348300
- C. 3348300
- D. 3348300
Answer: Option C
Explanation:
Sum=[{n×(n+1)}/2]²
={(60×11)/2}²
=330²
=108900
(ans)
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1. 1^3 + 2^3 + 3^3 + ...................... + 60^3 = কত?
Answer: Option C
Explanation:
Sum=[{n×(n+1)}/2]²
={(60×11)/2}²
=330²
=108900
(ans)
Post your comments here: