यदि किसी चीज का दाम 60 रु. से 80 रु. बढ़ गया तो कितने % की वृद्धि हुई? 

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ISRO SAC Technician B Fitter 6 Nov 2016 Official Paper
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  1. 33.3%
  2. 25%
  3. 20%
  4. 30%

Answer (Detailed Solution Below)

Option 1 : 33.3%
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गणना:

कीमत में प्रतिशत वृद्धि= \(\frac{Final~price~-~Initial ~price}{Initial ~price}~\times~100\)

गणना:

दिया गया है:

प्रारंभिक कीमत = 60 रुपये, अंतिम कीमत = 80 रुपये

∵ कीमत में प्रतिशत वृद्धि\(\frac{Final~price~-~Initial ~price}{Initial ~price}~\times~100\)

⇒ कीमत में प्रतिशत वृद्धि\(\frac{80~-~60}{60}~\times~100~=~\frac{20}{60}~\times~100~=~\frac{1}{3}~\times~100\)

⇒ कीमत में प्रतिशत वृद्धि = 33.3%

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