Find the ratio of total number of black pens sold by B and C to total pens (Red + Black) sold by A.
Total number of pens sold by B = 75% of 600 = 450 Total number of black pens sold by B = 450 – 190 = 260 Total number of pens sold by C = 60% of 800 = 480 Total number of black pens sold by C = 480 – 80 = 400 total number of pen sold by A = 400×50/100 =200 Required ratio = (260 + 400) : 200 = 660:200 = 33:10
Chausa, Dasheri, langra verities of mango are available from
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