NIFT PG 2015 Question Paper with solutions

Question : 136 of 150

Marks: +1, -0

16% of 650 + ?% of 850 = 172

Solution:

16% of 650 + x% of 850 = 172

⇒16/100×650+x/100×850=172

⇒104+{17x}/2=172

⇒{17x}/2=172-104=68

⇒x={68×2}/17=8

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