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Kumar

· started a discussion

· 1 Months ago

ITS NORTH (Question:548526.4)

direction of F?

Question:

DIRECTIONS: Study the following information carefully to answer the given questions.


8 persons S, R, H, I, T, G, Q and F are sitting in a line, some are facing North some are facing South. All have different ages 14, 16, 17, 19, 23, 26, 28 and 31, but not in the same order. S is second from any of the extreme ends. R is sitting third to the left from S. One of the immediate neighbors of R facing south. H do not sit at any of the extreme ends of the line. Immediate neighbors of I face north. Immediate neighbors of H faces south. F is third to the right of T.


Q is sitting immediate left of G. R is an immediate neighbor of I. H faces North. F sits immediate right of S. Immediate neighbors of S face opposite directions (i.e. if one neighbor faces North then the other neighbor faces south and Vice-Versa). The difference between the ages of the persons F-H, S-T, R-Q is less than 3. The difference between the ages of the persons S-H, F-T, R-I and Q-G is same. The age of R is exactly divisible by 13. H is the youngest.

According to the arrangement, how many people are facing North?
Options:
A) One
B) Three
C) Two
D) Five
E) Four
Solution:
S is second from any of the extreme ends. R is sitting third to the left from S. Thus two possibilities are there- 


F sits immediate right of S. F is third to the right of T.R is an immediate neighbor of I. Immediate neighbors of I face North Thus R faces North. 

Q is sitting immediate left of G thus G definitely sits extreme end of the line. 


H do not sit at any of the extreme ends of the line. H faces North. Immediate neighbors of H faces south.


Thus second possibility is correct.


Immediate neighbors of S face opposite directions, thus F faces South. One of the immediate neighbors of R facing south thus I faces South.


Different ages- 14, 16, 17, 19, 23, 26, 28 and 31


The age of R is exactly divisible by 13,  R= 26 and  H is the youngest thus H= 14. The difference between the ages of the persons F-H, S-T, R-Q is less than 3.

Thus F-H(16-14=2) F= 16, H=14. 

         S-T(19-17=2) S=19/17  T=17/19

         R-Q= (26-28)  R=26, Q= 28


The difference between the ages of the persons S-H, F-T, R-I and Q-G is same.


For Q-G, Either Q-G= 28-31=3 or 28-23=5


For (F-T) either 19-16= 3 or 17-16=1 


difference of 3 is possible thus

S=14, T=19, I= 23, G =31


Final arrangement- 


Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given marked answer and solution is correct. direction or F is clear in question.(Immediate neighbors of S face opposite directions) 2ed line of 2ed paragraph.

Regards
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