Question

if the the shopkeeper get 25% of profit by selling a Mobile 20000 rupees what is the the CP of the mobile

1 ) 16000
2)22000
3)18000
4)40000​

Answer 1

Step-by-step explanation:

Let the cost price of Mobile = X rupees

profit % = profit/CP × 100

25 = (20,000 - X)/X * 100

25/100 = 20,000/X - 1

1/4 = 20,000/X - 1

5/4 = 20,000/X

X = 20,000 × 4/5

X = 4000 × 4 = 16,000 rupees

So , The cost price of Mobile = 16,000 rupees