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Question

The marked price of a watch is ₹1600. If a shopkeeper sells it at a discount of x% such that the selling price is a perfect square number and a multiple of 27, then the value of x is (where x is an odd positive integer)

एक घड़ी का अंकित मूल्य ₹1600 है। यदि एक दुकानदार इसे x% की छूट पर बेचता है जबकि विक्रय मूल्य एक पूर्ण वर्ग संख्या है तथा 27 का गुणज है, तब x का मान है (जहाँ x एक विषम धनात्मक पूर्णांक है)

A
15
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B
21
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C
19
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D
25
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