MCQ
$2015! + 3^{2015}$ ના છેલ્લા બે અંકો ........ છે
- A$03$
- B$18$
- C$13$
- D$07$
$2015!$ has last two digits zero.
$3^{2015} \equiv 3 \cdot\left(3^{2014}\right)$
$\equiv 3.9^{1007}=(3)(10-1)^{1007}$
on expansion last two digits $\equiv 07$
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