Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 1 : $385$ / $385$
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Detailed Solution
सही उत्तर $385$ / $385$ है।
Key Points
Helpful?
prepsnap.in • Part -AQuestion:
What is the value of $1^2 + 2^2 + 3^2 + \ldots + 10^2$? / $1^2 + 2^2 + 3^2 + \ldots + 10^2$ का मान क्या है?
1.
$385$ / $385$
2.
$375$ / $375$
3.
$395$ / $395$
4.
$400$ / $400$
Correct Answer: $385$ / $385$
$\sum_{k=1}^{10} k^2 = \frac{10 \times 11 \times 21}{6} = 385$. / $\sum_{k=1}^{10} k^2 = \frac{10 \times 11 \times 21}{6} = 385$।
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