Exams › IBPS PO › Reasoning
Study the following information carefully and answer the question below. There are four floors in a hall, and three flats on each floor. Flat 3 is east of Flat 2, and Flat 2 is east of Flat 1. In each flat, a certain number of persons live. The number of persons on an even-numbered floor is 6. The number of persons in Flat 3 of Floor 2 is a multiple of 4 but less than 10. The number of persons in either Flat 1 or Flat 2 of Floor 4 is 4. The number of persons in Flat 1 of Floor 2 is a multiple of 6 but less than 18. There are 10 persons in Flat 3 on Floor 1. The total number of persons on Floor 2 is 26. There are 11 persons in Flat 1 on an even-numbered floor. The total number of persons on Floor 4 is 29. The sum of the number of persons in Flat 3 across all floors is 37. One of the odd-numbered flats in Row 3 contains 7 persons. The number of persons in Flat 1 of Floor 1 is the difference between the total number of persons on Floor 2 and the number of persons in Flat 3 of Floor 3. The number of persons in Flat 2 of Floor 3 is the square of the number of persons in Flat 1 of Floor 1. The total number of persons in Flat 2 across all floors is 32. Choose the correct option.
- 7 persons are in Flat 2's row
- Total 20 persons are in row
- Difference between total number of persons in Flat 1 and Flat 3 is 4.
- 14 persons are in Row 2's Flat 3.
Correct answer: Difference between total number of persons in Flat 1 and Flat 3 is 4.
Solution
This is a floor-and-flat arrangement puzzle where the clues determine the number of persons in each flat. After satisfying the floor totals and column totals, the totals in Flat 1 and Flat 3 differ by 4. Hence the correct statement is the one saying that the difference between total persons in Flat 1 and Flat 3 is 4.
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