Question

A shopkeeper bought 20 kg of tea at rupees 64 kg full stop he sold 5 kg at Rs 72 per kg, 8 kg at Rs 70 per kg and rest at rupees 55 per kg full stop find his loss or profit per cent

Answer 1

total cp=64*20=1280
total sp=5*72+8*70+8*55
=360+56+440
=856
loss=1280-856=424
loss%=424/1280*100%
=33.125%