Question

A fruit seller buys some oranges at the rate of ₹ 5 per orange. He also buys an equal
number of bananas at the rate of ₹ 2 per banana. He makes a profit of 20% on oranges and a profit of 15% on bananas. In the end, he sold all the fruits. If he
earned a profit of ₹ 390, find the number of oranges

Answer 1

Answer:

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Step-by-step explanation:

Let the no. of oranges =x= no. of bananas  

cost price =5x+2x=7x

Gain on oranges =  

100

20

​

×5x=x

Gain on Bananas =  

100

15

​

×2x=0.3x

Profit ⇒1.3x=390

⇒x=  

1.3

390

​

=300

No. of oranges purchased =300.