Practice Quiz

Consulting Case Interview Practice Questions

Category - Fast Math

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94% of Jim's income last year came from his salary. The rest came from awards his prize winning poodle won in dog shows. If he won $9,600 in dog shows, what was his total income?
  1. $145,000
  2. $160,000
  3. $170,000
  4. $120,000
  5. $118,600
Explanation
Answer: B - $160,000.

In this case, 94% is a pretty lousy number to work with. 6% is much better.

If 6% equals $9,600, then 1% = $1,600. Thus, 100% is equal to $160,000.

Key Takeaway: This question is all about speed. By finding easy numbers to work with, you can do this question in a flash.
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