Question

Ajit sold a watch to Balu at 20% profit. If the cost
price for Balu was 15 more than the cost price
for Ajit, then find the cost price of Ajit.​

Answer 1

Answer:

Ajit C.P = Rs.75

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

let c. p. for ajit = x ................(1)

c. p. for bablu = x +15 (according to question)

profit = 20 ( given)

s. p. for ajit is c. p. for bablu (according to the question)

so, the s. p. = x+15...............(2)

formula-

s. p. = (100+ profit%) x c. p/ 100

from equation (1) and (2)

x +15 = (100+20 ) x X /100

x +15 = 120x /100

x +15 = 12x/ 10

x+15 = 6x /5

5(x+15) = 6x

5x +75 = 6x

6x = 5x +75

6x -5x = 75

x = 75

cost price for ajit = 75