1. (i) In a family of six persons A, B, C, D, E and F, there are two married couples.
(ii) D is grandmother of A and mother of B.
(iii) C is wife of B and mother of F.
(iv) F is the grand daughter of E.
Who among the following is one of the couples ?
A. CD
B. DE
C. EB
D. none of these
Answer - Option D
Explanation -
C is wife of B. So, one couple is BC. Now, D in grandmother of A, B is the son of D and his wife C is the mother of F. SO, D is also the grandmother of F But F is the granddaughter of E.
So, E is the grandfather of F and the husband of D. Thus, DF is another couple
2. A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a doctor and the father of T. U is grandfather of R and is a contractor. S is grandmother of T and is a housewife. There is one doctor, one contractor, one nurse, one housewife and two students in the family. Which of the following is definitely a group of male members ?
A. QU
B. QUT
C. QUP
D. UT
Answer - Option A
Explanation -
Q, the Doctor, is the father of T. S, the Housewife, is the grandmother of T and hence the mother of Q. Since there are only two married couples one being that of Q, the grandfather of R. i.e, U must be married to S. Thus, R and T will be both children of Q and these must be the students So, P, who remains, shall be the wife of Q and she alone can be the nurse. Thus, U must be the contractor
Clearly, for definite the males are Q, the father and U, the grandfather
3. Q is the brother of R;
P is the sister of Q;
T is the brother of S;
S is the daughter of R.
Who are the cousins of Q ?
A. R and P
B. P and T
C. Q and T
D. S and T
Answer - Option D
Explanation -
T is the brother of S, who is the daughter of R. So, T and S are the children of R.
Now. Q is the brother of R. So, T and S are the cousins of Q.
4. One morning after sunrise, Vimal started to walk. During this walking he met Stephen who was coming from opposite direction. Vimal watch that the shadow of Stephen to the right of him (Vimal). To Which direction Vimal was facing?
A. East
B. West
C. South
D. Data inadequate
Answer - Option C
Explanation -
Sun rises in the east. So the shadow of a man will always falls towards the west. Since the shadow of Stephen is to the right of Vimal. Hence Vimal is facing towards South.
5. P started from his house towards west. After walking a distance of 25 m. He turned to the right and walked 10 m. He then again turned to the right and walked 15 m. After this he is to turn right at 135o and to cover 30 m. In which direction should he go?
A. East
B. West
C. South-Weat
D. Data inadequate
Answer - Option C
Explanation -
Hence he should go in the South-West direction.