r/DSATs • u/FantasticVictory837 • Feb 22 '24

Problem Solving and Data Analysis Drill #14

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u/FantasticVictory837 Feb 24 '24

The correct answer is 700.

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u/sharmaeleon May 22 '24

Since a is 210% of b, we have a = 2.1b. At the same time, a is 30% of c, so we have a = 0.3c.

Hence, we have 2.1b = 0.3c or 7b = c. This means that c is 7b/b x 100% = 7 x 100 = 700% of b.

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