Exams › IBPS PO › Quantitative Aptitude

Study the following information carefully and answer the question below. There are four floors in a building, and each floor has three flats. Flat 3 is east of Flat 2, and Flat 2 is east of Flat 1. The following conditions are given: - There are 6 persons on an even-numbered floor. - A multiple of 4 but less than 10 persons live in Flat 3 of Floor 2. - There are 4 persons in either Flat 1 or Flat 2 of Floor 4. - A multiple of 6 but less than 18 persons live in Flat 1 of Floor 2. - 10 people live 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 on Floor 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 people 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. What percent of the total persons living in the building are living on the ground floor?

1. 43.75%
2. 56.25%
3. 44.25%
4. 53.75%

Correct answer: 43.75%

Solution

This is a floor-and-flat arrangement puzzle where the totals of each floor must be deduced from the clues. After determining the total number of persons in the building and the number on the ground floor, the required percentage comes out to 43.75%.

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