After allowing 10% discount, a dealer wishes to sell a machine

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After allowing 10% discount, a dealer wishes to sell a machine for ₹ 2,700. At what price must the machine be marked ?

1. ₹ 270
2. ₹ 3,000
3. ₹ 2,970
4. ₹ 2,430

Correct Option: B

Given that , SP of machine = ₹ 2,700 , discount = 10%
Let the marked price be ₹ y.

∴ y ×	90	= 2700
	100

⇒ y =	2700 × 100	= ₹ 3000
	90

Hence , marked price be ₹ 3000.