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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
A, B, C, D, E, F and G are travelling in three different vehicles: Swift, Creta, and Nexon.
There are at least two passengers in each vehicle. Among them, only two are male. There
are two engineers, two doctors and three teachers.What is the profession of F?
- C is a lady doctor and she does not travel with A and F, who are sisters.
- B, a male engineer, travels with only G, a teacher, in a Swift.
- D is a male doctor.
- Two persons belonging to the same profession do not travel in the same vehicle.
- A is not an engineer and travels in a Creta.
- The pair of sisters A and F travels in the same vehicle
Solution
| Person | Engineer | Doctor | Teacher |
|---|---|---|---|
| A | ✗ | ✗ | ✓ |
| B | ✓ | ✗ | ✗ |
| C | ✗ | ✓ | ✗ |
| D | ✗ | ✓ | ✗ |
| E | ✗ | ✗ | ✓ |
| F | ✓ | ✗ | ✗ |
| G | ✗ | ✗ | ✓ |
| Person | Swift | Creta | Nexon |
|---|---|---|---|
| A | ✗ | ✓ | ✗ |
| B | ✓ | ✗ | ✗ |
| C | ✗ | ✗ | ✓ |
| D | ✗ | ✓ | ✗ |
| E | ✗ | ✗ | ✓ |
| F | ✗ | ✓ | ✗ |
| G | ✓ | ✗ | ✗ |
B is an engineer; doctors are C (lady) and D (male) ⇒ only one engineer left among A/E/F/G.
-
A is not an engineer and is a teacher; G is a teacher; we need 3 teachers total ⇒ E can be the 3rd teacher.
-
A and F sit together (in Creta), and no two same professions in one vehicle. Since A is a teacher, F cannot be a teacher; and doctors are already C & D.
-
Hence, F must be the second engineer.
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