Question

at the rate of rs. 9 per dozens, 12 dozens eggs are booght. one amd half dozens eggs were broken. the rest were sold at rs. 12 per dozen. what was the gain or loss per cent?​

Answer 1

★Given:-

• Rate = Rs.9 per dozen
• No of eggs bought = 12 dozen  
• No of eggs broken = 1½
• Rest were sold at R.12 per dozen

★To find:-

• Gain or loss percent

★Solution:-

Given,

→1 dozen = Rs.9

Then ,

→12 dozen= 12×9

                 = ₹108

Therefore,

→CP (cost price) =  ₹108

Given that 1½ dozen are broken.

So,

No of eggs remaining = 12 - 1½

⇒12 - 1.5

⇒10.5

Money earned by selling eggs = price of eggs sold × eggs remaining

Selling price = 12 × 10.5

                     = ₹126

We can observe, selling price is greater than cost price.

Gain = SP - CP

        = 126 - 108

        = ₹18

Gain% = (Gain/CP)×100

           =(18/108)×100

           = 16.67%

Hence,

The gain percent is 16.67%.

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