72519 × 9999 = ?
ক
725117481
খ
674217481
গ
685126481
ঘ
696217481
ঙ
None of these
সঠিক উত্তর: 725117481
72519 × 9999= 72519 × (10000 - 1)
= 72519 × 10000 - 72519 × 1
= 725190000 - 72519
= 725117481