ᶲ(440)=
ক
200
খ
180
গ
160
ঘ
220
সঠিক উত্তর: 160
ᶲ(440) = ᶲ(2^3) x ᶲ(5) x ᶲ(11) = (2^3 – 2^2) x 4 x 10 = 160.