Question

5
2. A shopkeeper sold a wrist watch for 990 gaining 1/8 of its cost price. Find the cost price of the wrist watch and
his profit percent.​

Answer 1

Step-by-step explanation:

Let cp=8

Sp=8+1=9

9=990(given)

1=990/9=110

So

Cp=8×110=880

Profit percent=100/800×100=12.5%