Positive integer y is 50 percent of... (GMAT Quants)

Positive integer y is 50 percent of 50 percent of positive integer x, and y per cent of x equals 100. What is the value

Review of yocket Premium

I am thinking of going for yocket Premium.Any feedback or suggestions?

Toefl Is toefl ibt home edition is accepted by universities in USA ?

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In 2009, the price of each Econolux car increased by 10 percent from the 2008 price... (GRE Quants)

In 2009, the price of each Econolux car increased by 10 percent from the 2008 price. In 2010, they decreased by 5 percen