Answer:
The cost price of the watch was rs 239.4
Step-by-step explanation:
252 * 0.05 = 12.6
252 - 12.6 = 239.4
Hope this helps.
Answer:

Step-by-step explanation:

Adding 9x & 3x gives 12x.

Now taking 4 common from both the terms , we get :-

The answer to your question is C