1.  From time to time, the managing direr of a Company appoints Planning Committees, each consisting of exactly three members. Eligible for appointment are three executives from Finance - B, C and D - and three executives from Operations - E, F and M.
Any given committee is subject to the following restrictions on appointments:
(i) At least one member must be from Finance, and at least one member must be from Operations.
(ii) If B is appointed, C cannot be appointed.
(iii) Neither D nor F can be appointed unless the other is also appointed.
(iv) If E is appointed, M must be appointed.
Which of the following is an acceptable committee ?


E, F and M
D, E and F
D, F and M
B, D and M


Answer

 Option

(a) violates (iii) and so is not acceptable. (b) violates (iv) and so is not acceptable. (d) violates (iii) and so is not acceptable.

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2.  (i) There is a family of six members A, B, C, D, E, and F.
(ii) There are two married couples in the family and the family members represent three generations.
(iii) Each member has a distinct choice of colour amongst green, yellow, black, red, white and pink.
(iv) No lady member likes either green or white.
(v) C, who likes black colour, is the daughter-in-law of E.
(vi) B is brother of F and son of D and likes pink.
(vii) A is grandmother of F and F does not like red.
(viii) The husband has a choice of green colour, his wife like yellow.
Which of the following is the colour preference of A ?


Red
Yellow
Either Red or Yellow
Cannot be determined


Answer

 Option

B and F are children of D. A is grandmother of F. So, B and F represent third generation. Now, C is the daughter-in-law of E. So, A and E form a couple and represent first generation. A, being grandmother, is a female and so E is a male. C is the daughter-in-law of E and D is E's son. Thus, CD is the other couple and represents seconds generation. C likes black, B likes pink. Green and yellow are the preferences of a couple. So, F likes white and D likes red. Now, E likes white and so cannot be a lady. B is the son of D and hence a male. A prefers yellow colour.

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3.  (i) There is a family of six members A, B, C, D, E, and F.
(ii) There are two married couples in the family and the family members represent three generations.
(iii) Each member has a distinct choice of colour amongst green, yellow, black, red, white and pink.
(iv) No lady member likes either green or white.
(v) C, who likes black colour, is the daughter-in-law of E.
(vi) B is brother of F and son of D and likes pink.
(vii) A is grandmother of F and F does not like red.
(viii) The husband has a choice of green colour, his wife like yellow.
Which of the following is one of the married couples ?


AC
CD
DA
Cannot be determined


Answer

 Option

B and F are children of D. A is grandmother of F. So, B and F represent third generation. Now, C is the daughter-in-law of E. So, A and E form a couple and represent first generation. A, being grandmother, is a female and so E is a male. C is the daughter-in-law of E and D is E's son. Thus, CD is the other couple and represents seconds generation. C likes black, B likes pink. Green and yellow are the preferences of a couple. So, F likes white and D likes red. Now, E likes white and so cannot be a lady. B is the son of D and hence a male. AE and CD are are two couples.

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4.  (i) There is a family of six members A, B, C, D, E, and F.
(ii) There are two married couples in the family and the family members represent three generations.
(iii) Each member has a distinct choice of colour amongst green, yellow, black, red, white and pink.
(iv) No lady member likes either green or white.
(v) C, who likes black colour, is the daughter-in-law of E.
(vi) B is brother of F and son of D and likes pink.
(vii) A is grandmother of F and F does not like red.
(viii) The husband has a choice of green colour, his wife like yellow.
Which of the following is true about F ?


Brother of B
Sister of B
Daughter of C
Either sister or brother of B


Answer

 Option

B and F are children of D. A is grandmother of F. So, B and F represent third generation. Now, C is the daughter-in-law of E. So, A and E form a couple and represent first generation. A, being grandmother, is a female and so E is a male. C is the daughter-in-law of E and D is E's son. Thus, CD is the other couple and represents seconds generation. C likes black, B likes pink. Green and yellow are the preferences of a couple. So, F likes white and D likes red. Now, E likes white and so cannot be a lady. B is the son of D and hence a male. Both F and B are males and both are children of D. So, F is the brother of B.

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5.  (i) There is a family of six members A, B, C, D, E, and F.
(ii) There are two married couples in the family and the family members represent three generations.
(iii) Each member has a distinct choice of colour amongst green, yellow, black, red, white and pink.
(iv) No lady member likes either green or white.
(v) C, who likes black colour, is the daughter-in-law of E.
(vi) B is brother of F and son of D and likes pink.
(vii) A is grandmother of F and F does not like red.
(viii) The husband has a choice of green colour, his wife like yellow.
Which of the following is the colour combination of one of the couples ?


Red - Yellow
Yellow - Red
Green - Black
Red - Black


Answer

 Option

B and F are children of D. A is grandmother of F. So, B and F represent third generation. Now, C is the daughter-in-law of E. So, A and E form a couple and represent first generation. A, being grandmother, is a female and so E is a male. C is the daughter-in-law of E and D is E's son. Thus, CD is the other couple and represents seconds generation. C likes black, B likes pink. Green and yellow are the preferences of a couple. So, F likes white and D likes red. Now, E likes white and so cannot be a lady. B is the son of D and hence a male. D and C from a couple. D likes Red and C likes Black.

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