pens are bought at 7 for ₹42 and sold at 10 for ₹50.express the profit or loss as percent
pens are bought at 7 for ₹42 and sold at 10 for ₹50.express the profit or loss as percent
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Answer:
Loss as percent 20.
Step-by-step explanation:
In this question given that for 7 pens cost is 42 rupees ( Cost price) and for 10 pens selling price is 50 rupees. So here we should first know that the 1 pen price then after we can solve one by one .
so , for 7 pens 42 rupees
then 1 pen = 42÷7=6 rupees.
which means for 1 pen cost is 6 rupees
and for 10 pens the price will be 10*6=60
But in this question the selling price is 50 rupees when the actual price of 10 pens is 60 so here we lose the 10 rupees (i.e 60-50=10).
So now we will find the loss as percent:-
Loss = CP - SP
=60-50
=10
now, % Loss =(Loss*100)/CP , where CP means Cost price
=(10*100)/50
=1000÷50
=20%