Verbal Reasoning - Seating Arrangement - Discussion

In a class there are seven students (including boys and girls) A, B, C, D, E, F and G. They sit on three benches I, II and III. Such that at least two students on each bench and at least one girl on each bench. C who is a girl student, does not sit with A, E and D. F the boy student sits with only B. A sits on the bench I with his best friends. G sits on the bench III. E is the brother of C.

1. 

How many girls are there out of these 7 students ?

[A]. 3
[B]. 3 or 4
[C]. 4
[D]. Data inadequate

Answer: Option B

Explanation:

The number of girls is either 3 or 4.


Arfath said: (Nov 19, 2010)  
There can be only Three girls as E is stated to be brother of C.

Ankita said: (Dec 18, 2010)  
How option b is right?

Ritesh said: (Feb 1, 2011)  
I think option A is right.

Divya said: (May 18, 2011)  
Where it is mentioned that 'd' is a girl and 'a' is a boy.

Anselam said: (Jun 1, 2011)  
A sits on the bench I with 'his' best friends. E is the 'brother' of C. This means A & E are boys so by default D is a girl because atleast one girl sits on each bench.

Anselam said: (Jun 1, 2011)  
In the question if it is said thad that atleast 1 boy sits on each bench then G would be a boy. Since nothing like this is mentioned it cannot be determined that G is a boy or girl. Also no his or her term is mentioned with G in any sentence of the question.

Harsha said: (Nov 2, 2011)  
How can we say that B is girl?

Krishna said: (Dec 9, 2011)  
How them take 'D' is a girl?

Ravi said: (Aug 7, 2012)  
According to the question, A sits on the bench 1 and G sits on the bench 3. Since F the boy student sits with only B, so place F and B on the bench 2. Because F is a boy, B must be a girl. Given that, C (girl) can not sit with A, E and D so place it on bench 3.

Given that, A sits on the bench I with his best friends. Therefore more then two students are sitting on bench 1, which are A, E and D. Because A and D are boys, so E is a girl.

G may be a boy or girl.

Answer (b) is correct.

Sid said: (Mar 3, 2013)  
E is the the brother of C so how can E become a girl ?

Bikram said: (Mar 8, 2013)  
But the question is still not clear that A, E and D has to b in the same bench. How could we derive to this conclusion, can anyone explain please?

Anish said: (May 3, 2013)  
Let me help you out.
There is 2 possible answers.

1)
A F B
E D
G C

OR

2)
A E D
F B
G C

In any arrangement we know C is a girl.
A is a boy as in question it is told "his friends".
E & F are boys .

Take 1st arrangement.
A, F boys & B shd be girl.
E a boy & D shd be girl.
G Can be girl or boy bt C is girl.
i.e Total 4 girls.

But similarly try 2 arrangement you will turn up with 3 girls.

Hence 3 or 4 girls.

Naren said: (Oct 9, 2013)  
@Anish.

F the boy student sits with only B(It means that FB can occupy only 2 row). Since we don't know whether G is he or she .. So no of girls could be 3 or 4.

Teja said: (Oct 22, 2013)  
Let me explain this answer.

1) A seat with "his" "friends"
i.e., A is boy and 1st bench has 3 students.

2) F seats "only" with B.
Given F is boy and i.e., B is girl.

3) G is 3rd bench remaining student is C.

So,
Males are f, e, a.

So answer is 3 or 4.

Krishna said: (Oct 24, 2013)  
F Is a Boy Hence male Given.
E Is Brother Hence Male Given.

A Sits With HIS Best Friends Given (HIS Used For A Hence Male).
So It Is Clear That 3 Are Male.

Total no.of Students Are 7,
So There May Be 3 Or 4 Girls.

Jayant said: (Mar 17, 2014)  
As per my conclusion G could be Male or female so answer B is right.

Vijay Shanker Sahu said: (Jun 10, 2014)  
There is exact three girls because A is sit with his friend. It means A is a male and E is male So BCD are only females.

Prem Kumar said: (Aug 9, 2014)  
Option B is right.

it's obvious that there should be 3 girls ....a/c to ques.
And it's clear that boys E, F, A(sits with his friend).

One member can be either girl or boy.
So, there should be either 3 or 4 girls.

Pravin said: (Sep 4, 2014)  
Sorry its right 3/4 bcs there is nothing given about the gender of g so 3/4.

Praveen said: (Oct 2, 2014)  
According to the question, A sits on the bench 1 and G sits on the bench 3. Since F the boy student sits with only B, so place F and B on the bench 2. Because F is a boy, B must be a girl. Given that, C(girl) can not sit with A, E and D so place it on bench 3.

Given that, A sits on the bench I with his best friends. Therefore more then two students are sitting on bench 1, which are A, E and D.

Since E is the brother of C. E is a boy.

In bench 1 min one person should be girl, but we don't no about A &D.
girls=C ,B confirmed and more 1 or 2 persons from A ,D are girls.

Therefore answer is (B).

Devi said: (Oct 11, 2014)  
How is A a male member and D a female member?

Desk said: (Nov 11, 2014)  
A is male member because its mentioned in question:

A sits on the bench I with his best friends.

D is a female member because at-least one girl should be sitting on a bench.

Kartik Mehta said: (Nov 17, 2014)  
I II III.

A-B Yes No No C (x).

B-G No Yes No.

C-G No No Yes A-E-D (x).

D-G Yes No No.

E-B (his) Yes No NO.

F-B No Yes NO.

G-B NO No Yes.

3 People 2 People 2 People.

"Friends".

Divya said: (May 4, 2015)  
Why it is 3 or 4? Why not 3 only? If its clearly mentioned about the boys here.

Nandini said: (May 29, 2015)  
Because its not clear whether G is a girl or boy. It is said that there has to be at least 1 girl but not necessarily 1 girl only on each bench. And G's gender is not specified. So there is 3 or 4 girls.

Naveed Ullah said: (Oct 7, 2015)  
If the arrangement is like that:

Bench 1: A, D.

Bench 2: F, B, C.

Bench 3: G, E.

Then below all question get wrong, is it possible arrangement please.

Nivesh Agrawal said: (Jul 7, 2016)  
3 girls should be there definitely because A is a boy because his word is used for A, and his represent a boy.

Shrey said: (Aug 5, 2016)  
Since A is sitting with his best friends which means more than one so 3 people will be sitting on first bench. F is a boy so B has to be a girl as only two two students will sit on 2 and 3 bench. C can not sit on bench 1 and bench 2 is occupied by F and B so it sits on bench 3. Rest can be figured easily.

Manoj Jangir said: (Sep 9, 2016)  
Answer (b) is correct as we can clearly see there are three girls (d, b, c) definitely but we can't make out G is a girl or a boy. So the answer (b) 3/4 is correct.

The arrangement can be made easily but a number of girls and boys is little tricky.

Mihir said: (Oct 7, 2016)  
It can also be 1) AFB, 2) ED, 3) GC.

Anand said: (Oct 14, 2016)  
According to me, The question is in wrong format. It should have been, how many girls can we assume out of 7? Otherwise, the answer is data inadequate.

Karthik said: (Dec 20, 2016)  
According to me, the solution is;.

Consider this, " A sits on the bench I with his best friends" means A is a boy "E is the brother of C " means E also is a boy. That leaves with only "3" girls - can't be 4 girls.

Zorama said: (Apr 21, 2017)  
There can be only three girls as we see that the pronoun for A is written as 'his'. So, option A is correct one. If not, you will face another problem in one of the next questions about a group of girls which is having its answer as CBD.

Prem Kumar said: (Jun 27, 2017)  
Indirectly given that A sits with HIS best friends which means A is a male and D is the only female in the 1st row.

Puneet said: (Jan 23, 2018)  
4 arrangements are possible.

AE
CFB
GD

AD
CFB
GE

AFB
ED
GC

AED
FB
GC

Swetha said: (Feb 28, 2018)  
@Puneet.

You are right, 4 arrangements are possible.

Arnab said: (Jul 31, 2018)  
How to judge the gender of 'A' & 'D' ?

Pranaya said: (Sep 8, 2018)  
'G' may be male/female so option 2 is correct because B, C, D are girls that is final.

Ryngkat said: (Sep 16, 2018)  
There should only be 3 female. It is mentioned that there should be at least 1 girl in a bench and it says a sits with 'his' best friends, i.e., E and D, E is said to be brother of C. Therefore D is the possible female.

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