1. Shopkeeper sold big, medium and small sized chairs for Rs 650, Rs 500 and Rs 400 respectively. The total number of chairs sold were in the ratio 8 : 13 : 4. What is the average cost (in Rs) of a chair?





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  • By: anil on 05 May 2019 02.24 am
    Ratio of big, medium and small sized chairs = 8:13:4 Price of big, medium and small sized chairs (in Rs.) = 650, 500, 400 => Average cost of a chair = $$frac{(8 imes650)+(13 imes500)+(4 imes400)}{(8+13+4)}$$ = $$frac{(5200+6500+1600)}{25}$$ = $$frac{13300}{25}=Rs.$$ $$532$$ => Ans - (D)
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