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Read the following information carefully and answer the questions that are given below it.A, B, C, D live in the same house. The following details are known about them.- A lives with his (or her) parents.- B lives with at least three people younger than him (or her).- D lives with his mother and is older than at least two people living with him.- C lives with his (or her) son and is not older than D.   Q 16.   What is the minimum number of people living in the house?  Ops:   A. 5    B. 7    C. 4    D. 6

Question

Read the following information carefully and answer the questions that are given below it.A, B, C, D live in the same house. The following details are known about them.- A lives with his (or her) parents.- B lives with at least three people younger than him (or her).- D lives with his mother and is older than at least two people living with him.- C lives with his (or her) son and is not older than D.   Q 16.   What is the minimum number of people living in the house?  Ops:   A. 5    B. 7    C. 4    D. 6

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Solution

The minimum number of people living in the house can be determined by analyzing the information given:

  • A lives with his (or her) parents. This implies there are at least 3 people: A and A's parents.
  • B lives with at least three people younger than him (or her). This could include A and A's parents, so no additional people are necessarily required for B's situation.
  • D lives with his mother and is older than at least two people living with him. This could include A and one of A's parents, so only D's mother is an additional person. Now we have 4 people: A, A's parents, and D's mother.
  • C lives with his (or her) son and is not older than D. C's son could be A, so no additional people are required for C's situation.

Therefore, the minimum number of people living in the house is 4. So, the answer is C. 4.

This problem has been solved

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