Question

articles arre bought at 45rupees per dozzen and sold at85 per score find the gain or loss per cent

Answer 1

Score is an old word for 20

The buying price for each :

45/12 = 3.75 per article

Buying price for 20:

20 × 3.75 = 75

Gain = 85 - 75 = 10

10/75 × 100 = 13.333%