A shopkeeper sold a wrist watch for 990 gaining aand his profit percen

1.	A shopkeeper sold a wrist watch for 990 gaining aand his profit percent.of its cost price. Find the cost price of the wrist watch8
Answer» Given : 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 = ₹ 880And 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 %.

A shopkeeper sold a wrist watch for 990 gaining aand his profit percent.of its cost price. Find the cost price of the wrist watch8

Answer»

Given :

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 = ₹ 880And 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 %.