Determination of Policy Holders of Various Categories


In a survey of 182 insurance policies, the following data was obtained.

  • 67 policy holders are female,
  • 89policy holders are under age 30,
  • 62 policy holders are married,
  • 35 policy holders are women under age 30,
  • 31 policy holders are married women,
  • 25 policy holders are married and under age 30,
  • 8 policy holders are married women under age 30.
  1. How many of the policy holders are unmarried women?
  2. How many of the policy holders are married men under age 30?
  3. How many of the policy holders are unmarried men of age 30 or more?


This question belongs to mathematics and discusses about survey of insurance policies and to determine policy holders under of categories.

Total word count: 83


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