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A man sold two watches at Rs 240 each; on one he gained 7% and on the other he lost 7%. The gain or loss percent in the whole transaction is a) 7% gain b) 7% loss c) 0.49% gain d) 0.49% loss ​

Respuesta :

luke1865

Answer:

c

Step-by-step explanation:

Let's calculate the gain or loss percentage for each watch individually:

1. For the watch sold at a 7% gain:

- Cost price (CP) = Rs 240

- Gain = 7% of Rs 240 = 0.07 * 240 = Rs 16.80

- Selling price (SP) = CP + Gain = 240 + 16.80 = Rs 256.80

2. For the watch sold at a 7% loss:

- Cost price (CP) = Rs 240

- Loss = 7% of Rs 240 = 0.07 * 240 = Rs 16.80

- Selling price (SP) = CP - Loss = 240 - 16.80 = Rs 223.20

Now, let's calculate the total cost price (TC) and total selling price (TS) for both watches:

- TC = 240 (for each watch) + 240 (for each watch) = Rs 480

- TS = 256.80 (for the gain) + 223.20 (for the loss) = Rs 480

Since the total cost price (TC) is equal to the total selling price (TS), there is neither a gain nor a loss in the whole transaction.

So, the correct answer is: c) 0.49% gain

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