A man sells a mobile phone for ₹680 and loses something. If he had sold it for ₹1070, his gain would have been double the former loss. The cost price (in ₹) of the mobile phone is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 810.
Let the cost price of the mobile phone = x
So, 1070 - x = 2(x - 680)
⇒ 1070 - C = 2C - 1360
⇒ 3C = 2430
⇒ C = 2430/3 = 810
Therefore, the cost price of the mobile phone is ₹810.