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krati

· started a discussion

· 1 Months ago

another option possible (Question: 117667.3 )

if Rahul speaks up to Chetan (as mentioned in the question ) the chain would be :-
Akhil , Bhupendra, Rahul, Chetan...

Question:

DIRECTIONS : These questions are based on the data given below.


There are two circular tables in a room. Six Russians — Akhil, Bhupendra, Chetan, Devendra, Eeshan and Faheem — are sitting at one table and six Frenchmen - Manish, Nayan, Aman, Prashant, Keshav and Rahul are sitting at the other table. Akhil and Devendra are sitting opposite to each other. Bhupendra and Eeshan are sitting opposite each other. Chetan sits to the right of Devendra. Bhupendra is the only person who can translate Russian to French; Chetan is the only person who can translates French to Russian, and none of them does the vice- versa unless so stated. Eeshan and Faheem sit adjacent to each other. Also, Manish sits opposite Prashant; Keshav sits to the right of Rahul and Rahul sits opposite Aman. Nayan and Prashant sit adjacent to Aman. On the table, any person can talk to another person, only as stated below. The only conversations that took place are as given below:

Akhil  spoke to Bhupendra; Bhupendra to Rahul; Rahul to Chetan; Rahul to Keshav; Keshav to Prashant; Prashant to Aman; Aman to Nayan; Nayan to Manish; Chetan to Devendra; Devendra to Eeshan; Manish to Rahul; and Eeshan to Faheem.

What are the number of persons involved  in sending message  from Akhil to Faheem?

Options:
A) 12
B) 10
C) 11
D) 13
E) None of these
Solution:

Ans: (b) 

Let us take down the data as below:


(i) Six Russians — Akhil, Bhupendra, Chetan, Devendra, Eeshan and Faheem and six frenchmen — Manish, Nayan, Aman, Prashant, Keshav and Rahul.


(iv) Bhupendra = Russian to French 

Chetan = French to Russian

(v) Eeshan and Faheem sit adjacent to each other.


(ix) (Nayan & Prashant) sit adjacent to Aman.

First of all lets make the seating arrangement for the above data:


(a) Russian Table:



(b) French table:




Also it is given that:

The message from A to F can be sent in the following ways:

[Akhil], Bhupendra, Rahul, Keshav, Prashant, Aman, Nayan, Manish, Rahul, Chetan, Devendra, Eeshan, [Faheem]

So, all the 12 persons are covered, subtract 2 from 12 (for A & F) and we get 10 persons involved in between A & F. Also in the route shown above. R is repeated twice still the count is 10.

Knowledge Expert

· commented

· 1 Months ago

Dear Student, Step by step solution is given, please read it completely twice/thrice, if still you don't get then please point the line/statement/sentence which makes you trouble in understanding so that i can make that point clear to you. Keep Learning with Us Best Wishes Team Toprankers

krati

· commented

· 1 Months ago

Akhil, Bhupendra, Rahul, chetan, Devendra, Eeshan, Faheem
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