A shopkeeper earns twice profit after selling an article in Rs 78 then the profit incurred after selling the article in ₹69. Find cost price of the article.
Answer & explanation
Correct answer: option 2
Profit after selling the article at Rs.78 = 78 - C.P.
Profit after selling the article at Rs.69 = 69 - C.P.
ATQ,
78 - C.P. = 2 × (69 - C.P.)
78 - C.P. = 138 - 2 C.P.
C.P. = 60