10 dozen apples. 15 dozen mangoes & 20 dozen oranges are kept for sale. 1/2^{nd}, 1/3^{rd} & 1/4^{th} of each item respectively have been added. What is the total number of fruits kept for sale now?

Question 57

10 dozen apples. 15 dozen mangoes & 20 dozen oranges are kept for sale. 1/$$2^{nd}$$, 1/$$3^{rd}$$ & 1/$$4^{th}$$ of each item respectively have been added. What is the total number of fruits kept for sale now?

Solution

Apples added = $$10\times\ \frac{1}{2}=5$$ dozens

Mangoes added = $$15\times\ \frac{1}{3}=5$$ dozens

Mangoes added = $$20\times\ \frac{1}{4}=5$$ dozens

Required numbers of fruits = $$12\left(5+5+5+10+15+20\right)=12\times60=720$$ .

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