Question

Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

Answer 1

rate per dozen = $375
tot. no. of dozens = 20

now ,
rate of one toy = 375/ 12 ....... ( here 12 is for a dozen)
= > 31.25 Rs.

Now , given SELLING PRICE = $ 33

PROFIT = ( selling price - buying price)
= 33 - 31.25
= 1.75

Now ,

PROFIT % = 1.75/ 31.25 × 100 = 5.6 %.........ANS


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Answer 2

Sam purchase 20 dozens of toys at the rate of 375 per dozen
cost of 1 dozen of toys =375
cost of 20 dozens of toys =375×20
=7500
now
in which cost Sam sold 1 toy=33
so cost of 12 toys =33×12
and cost of 20 dozens of toys=33×12×20
=7920
total profit=7920-7500
=420
percentage of profit=420×100/7920
=0.05×100
=5% (approximately)