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shwetajain

· started a discussion

· 1 Months ago

repeat (Question: 102928.2 )

sir this puzzle is repeat from the previous paper as we buy your test series you should provide diffrenet puzzle from the previous papers so we can practice... its just a cheating to earn money

Question:

DIRECTIONS : These questions are based on the following information.


Ten children A through J, among whom only A, B, C, D are girls, are to be divided into three group P, Q and R such that each group has a girl and a total of at least three children. We know the following additional information.


(i) If one of E, F and G is selected in group R then the other two must be in that group.

(ii) If F is in the same group as C, then D must be in that group. Neither C nor D can be with I.

(iii) No two of G, H and I can be in the same group

(iv) Unless J is selected in group P, A cannot be selected in group R.

(v) If and only if H is a member of group P then it has four children.

(vi) The number of children in group Q cannot be more than that in group R.

(vii) A and H must be in the same group.     

If B is selected in P, then in how many ways group Q can be selected?

Options:
A) 3
B) 0
C) 2
D) 1
E) Can’t be determined
Solution:

From (i), if one of G is selected in R, then we have the following possibility.


      P

Q

R

B, I, J

A, C, H

E, F, G, D


If H is selected in R, then B must have four children. S.t none of E, F, G, I, J can be in R.


Also must be with B (∵ From (ii)

∴ A, C, D, H must be in R, in which case one of P and Q don’t have any girls.


∴ Not possible.


If I is selected in R, then B must be in that team.


If H is selected in group P. than we have the following possibilities.


     

      P

Q

R

(b)

A, H, C, E

G, F, D

I, B, J

(c)

A, H, D, F

G, C, E

I, B, J

(d)

A, H, F, E

C, G, D

I, B, J


If H is selected in group Q, then R must have four children. But none of C, D, E, F, H, A, G can be in R.


∴ This case is not possible.


It is possible only in case (a)

Knowledge Expert

· commented

· 1 Months ago

Hi , we fixed it....
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