How many total number of flats are there in the building ........

Logical Reasoning(SBI-PO) Puzzle Test

Directions: Study the following information carefully and answer the questions given below:

In a building, there is a certain number of floors with each floor having two flats i.e. flat P and flat Q. Flat P is in the west of flat Q. Immediately above or below means both persons live in the same flat. C lives on an even-numbered floor below the 5th floor in flat P. D lives at a gap of two floors from C and E lives immediately below D's flat. No one lives to the east of E. No one lives to the east of K. There are three floors between G and H and both lives in the same flat. The number of floors above C is the same as the number of floors below H. One floor is between D and F. D does not live on the 5th floor and F does not live on the floor which is a multiple of 3. G lives immediately above F. J lives on an even-numbered floor above the 10th floor. K lives immediately above J.

How many total number of flats are there in the building?

This questions was previously asked in

SBI PO Mains (30 Jan, 2023)

View All SBIPO Previous Year Papers

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Explanation:

Alright, let's break this one down step by step:

- Each floor has 2 flats: P (west) and Q (east).

- We know C lives below the 5th floor on an even number in flat P.

- “No one lives to the east of E” and “No one lives to the east of K.” That means E and K are both in flat Q (the eastern one).

- J and K are above the 10th floor on even numbers, so the building must be pretty tall.

- G and H have 3 floors between them, living in the same flat.

- The total number of floors is crucial; the key clue: “The number of floors above C is same as below H.”

Now, since flats are just two per floor, we need to multiply the total number of floors by 2 to get the total number of flats. With all those clues (and after working through placements: the positions above 10th floor, constraints about even/odd/multiple of 3 floors for F, and so on), the minimum number that fits all possibilities is 13 floors. That’s 13 × 2 = 26 flats.

So, here’s the thing:

Option 5, 26 is the correct answer.