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The last digit of the number 1³ + 2³ + 3³+ 4³ …. + 99³ is :

Option 1)
$0$
Option 2)
$1$
Option 3)
3
Option 4)
$5$
Option 5)
$2$

Answers (1)

R rishi.raj

$1^{3}+2^{3}+.....99^{3}$

$\left ( \frac{N\left ( n+1 \right )}{2} \right )^{2}$

$\left ( 99*\frac{100}{2} \right )^{2}$

$0$

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