6 × 66 × 666 = ?
ক
263376
খ
263763
গ
263736
ঘ
267336
ঙ
None of these
সঠিক উত্তর: 263736
= 6 × 66 × 666= 6 × (6 × 11) × (6 × 111)
= (6 × 6 × 6) × (11 × 111)
= (216 × 1221)
= (1221 × 216)
= 1221 × (200 + 10 + 6)
= (1221 × 200) + (1221 × 10) + (1221 × 6)
= 244200 + 12210 + 7326
= 263736
