A shopkeeper sold a wrist watch for rupees 990 gaining 1/8 of its cost price . find the cost price of the wrist watch and his profit percent
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Step-by-step explanation:
Selling price of wrist watch = ₹ 990
Gaining 1/8 of its cost price.
To find :- (i) Cost Price of wrist watch.
(ii) Profit percent of wrist watch.
Let the cost price of wrist watch be x
A/q
=> x + 1/8 of x = 990
=> x + 0.125 × x = 990
=> 1.125x = 990
=> x = 990/1.125 = 880
Therefore, Cost price of watch = ₹ 880
And Profit = 1/8 of x = 1/8 × 880 = ₹ 110
Now,
Find the profit percent of wrist watch :-
Profit % = (profit × 100)/C.P %
= (110 × 100)/880 %
= 11000/880 %
= 12.5 %
Hence,
(i) The cost price of wrist watch is ₹ 880.
(ii) Profit percent of wrist watch is 12.5 %.
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