Practice Quiz

SAT Math Practice Exam

Category - Mathematics - Hard

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Last year if 94 percent of the income of a person came from salary and the remaining income, to tallying $9000, came from dividend, what was the total income of the person?
  1. 1500
  2. 15000
  3. 150000
  4. 159000
Explanation
Answer: C - 94 percent of the income of a person came from salary. The remaining income is 6 percent. Given this remaining income is $9000, so 6% = $9000.
100% = ($9000/6) x100 = 150000

Key takeaway: Try to find out 1%, 5% , 10% by removing zeroes.
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