Question

D lives between B and F.
E and A live on successive floors.
B lives in the topmost floor.
There is exactly one person between C and E.
there are exactly two people between F and G
How many people live between G and C?​

Answer 1

Given : D lives between B and F.

E and A live on successive floors.

B lives in the topmost floor.

There is exactly one person between C and E.

there are exactly two people between F and G

To Find :

How many people live between G and C?​

Solution:

D lives between B and F.   B lives in the topmost floor.

 B

 D

 F

there are exactly two people between F and G   ,

E and A live on successive floors. There is exactly one person between C and E.

Possible combination :

B

D

C

G / F

E/A

A/E

F / G

C

so Either  people live between G and C

or no people.

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Answer 2

Given :-

• D lives between B and F.
• E and A live on successive floors.
• B lives in the topmost floor.
• There is exactly one person between C and E.
• There are exactly two people between F and G .

To Find :- How many people live between G and C ?

Solution :-

Let 7 floors are denoted by 1,2,3,4,5,6,7 where 7th is top floor .

so,

→ B lives in the topmost floor = 7th floor .

→ D lives between B and F = F(5) ,D(6), B(7) .

→ There are exactly two people between F and G = G(2), 3, 4, F(5) ,D(6), B(7) .

→ E and A live on successive floors. = G(2), E(3), A(4), F(5) ,D(6), B(7) or, G(2), A(3), E(4), F(5) ,D(6), B(7)

→ There is exactly one person between C and E = C(1), G(2), E(3), A(4), F(5) ,D(6), B(7) = Final position of all .

then,

→ Number of people live between G and C = None (Ans.)

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