46. A man’s age is three times that of his son. In fifteen years it will be double that of his son. How old is the son now ?
(a) 45
(b) 10
(c) 15
(d) 30
Answer:
Explanation:
[Instruction Context for 47-50]: Six students, L,M,N,O,P and Q are completing degree in six different subjects. The subject are Physics, Hindi, Sanskrit, History, Geography and Maths. Among ther two live in hostels and two live in their homes, one in Dharamshala and one as a paying guest. P does not live in Dharamshala and studies Geography. The students who study Physics and Maths do not live in hostels. M lives as a paying guest and studies Hindi. O lives in hostel and Q does not live in his house. L studies History and Q studies Maths. N studies Physics and lives in his house.
47. Which pair is definitely incorrect in relation to subject and residential place ?
(a) Maths-House
(b) History-House
(c) Geography-Hostel
(d) Sanskrit-Hostel
Answer:
Explanation:
48. Which pair of students live in their house ?
(a) Q-N
(b) P-L
(c) L-Q
(d) None of these
Answer:
Explanation:
49. Where does Geography student reside ?
(a) Hostel
(b) House
(c) Paying guest
(d) Dharamshala
Answer:
Explanation:
50. In the given pair of students, one child lives in hostel and the other at his home?
(a) Q-N
(b) N-O
(c) P-Q
(d) O-M
Answer:
Explanation: