Comprehension

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

Certain number of person is sitting in a row facing towards north direction. Following information is known about them:

Only two persons are sitting between H and C, who is sitting 5th to the right of B. C, is sitting 3rd from the right end. D is sitting at left most end of the row and there are only two persons sitting between D and A. F is sitting exactly in the middle of A and B and 2nd to the right of A.

Not more than two persons are sitting between B and G and G is sitting just next to H. There are only one person is sitting between G and C.

How many persons are unknown in a row out of total members?

This question was previously asked in
RRB Officer Scale-I 12 Sep 2020 Prelims Memory Based Paper Shift 1
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  1. 7
  2. 8
  3. 9
  4. 5
  5. None of these

Answer (Detailed Solution Below)

Option 2 : 8
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Detailed Solution

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1) Only two persons are sitting between H and C, who is sitting 5th to the right of B.

2) C is sitting 3rd from the right end.

3) D is sitting at left most end of the row and there are only two persons sitting between D and A.

F3 Taniya.D 06-06-2020 Savita D1

4) F is sitting just in the middle of A and B and 2nd to the right of A.

5) Not more than two persons are sitting between B and G and G is sitting just next to H.

6) There are only one person is sitting between G and C.

The final arrangement is given below-

F3 Taniya.D 06-06-2020 Savita D2

We can see that there are total 15 members in a row and 7 members are known so 8 members will be unknown.

Hence, the correct answer is 8.  
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