While selling a watch, a shopkeeper gives a discount of

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While selling a watch, a shopkeeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs. 15 less as profit. The marked price of the watch is :

1. Rs. 697.5
2. Rs. 712.5
3. Rs. 750
4. None of the these

Correct Option: C

Let the marked price of watch be Rs. x.
According to the question,
(7 – 5)% of x = 15

⇒	x × 2	= 15
	100

⇒ x =	15 × 100	= Rs. 750
	2