Question

An auto insurance company has 10,000 policyholders. Each policyholder is classified as

young or old;

male or female; and

married or single.

Of these policyholders, 3000 are young, 4600 are male, and 7000 are married. The policyholders can also be classified as 1320 young males, 3010 married males, and 1400 young married persons. Finally, 600 of the policyholders are young married males. How many of the company

Answer 1

Answer 2

10,000 - 3000 = 7000 are old
10,000 - 4600 = 5400 are female
10,000 - 7000 = 3000 are single
3000 -1320 = 1680 young females
7000 - 3010 = 3990 married females
3000 - 1400 = 1600 young singles
1320 - 600 = 720 young single males
1600 - 720 = 880 young single females