Examples of Age Calculations

Examples of Age Calculations

#### Question: Mary is 12 years older than John. If the sum of their ages is 52, how old is Mary? 1. [ ] 32 2. [ ] 42 3. [x] 32 4. [ ] 22 #### Question: A father is 4 times older than his son. If the father is 40 years old, how old is his son? 1. [ ] 6 2. [ ] 10 3. [x] 10 4. [ ] 8 #### Question: Ten years ago, Sarah was twice as old as her brother. If her brother is 20 now, how old is Sarah? 1. [ ] 30 2. [ ] 35 3. [x] 30 4. [ ] 25 #### Question: The sum of the ages of a father and son is 45 years. Five years ago, the product of their ages was 160. How old is the son now? 1. [ ] 15 2. [ ] 20 3. [x] 20 4. [ ] 25 #### Question: Five years ago, Alice was twice as old as Bob. If Alice is 25 now, how old is Bob? 1. [ ] 12 2. [ ] 15 3. [x] 15 4. [ ] 20