Puzzle – Railway Reasoning (Part- 4)

Total Questions: 50

11. E and C mutually like to work with each other. A likes to work with C and H. H and L do not like to work with anyone. Who is isolated in the office? [RRB NTPC 16/01/2021 (Evening)]

Correct Answer: (c) L
Solution:

E and C mutually work together ,A work with C and H, H & L do not like to work with anyone.on above statement we observed That L is isolated in the office.

12. In a school there were 6 teachers. A and B taught Hindi and English. D and A taught Mathematics and Science. C and E taught English and Mathematics. F and B taught Hindi and French. Who taught the maximum number of subjects? [RRB NTPC 17/01/2021 (Morning)]

Correct Answer: (d) A
Solution:

The following table shows the subjects taught by different teachers:
From the above table, we can see that A taught the maximum number of subjects.

13. Ram has 5 cars which he uses for travel from his home to his office from Monday to Friday. He drives Skoda on the next day after the day he drives a Honda and Honda is not used on Tuesday or Wednesday. He drives a Nissan on the last working day. He does not drive Tata and Maruti on Monday [RRB NTPC 17/01/2021 (Evening)]

Then which car he drives on Monday?

Correct Answer: (d) Honda
Solution:

14. Six persons A, B, C, D, E and F are going to any one place among six different places Delhi, Mumbai, Punjab, Odisha, Goa and UP (not necessarily in the same order). No two persons are going to the same place. B is not going to Delhi. E is going to Odisha. F is not going to Delhi and Goa. D is going to Mumbai. A and C are not going to UP. A is not going to Delhi. [RRB NTPC 19/01/2021 (Evening)]

Who is going to Delhi?

Correct Answer: (c) C
Solution:

15. Anuj, Ankit, Anu and Alka are teachers who teach Biology, History and Mathematics. Biology is the only subject taught by two teachers, one of whom is male. Two of four are married to each other and they teach History and Biology respectively. Ankit teaches Biology and is unmarried Which subject does Anuj teach? [RRB NTPC 20/01/2021 (Evening)]

Correct Answer: (b) History
Solution:

Here will be two possibilities.

16. A team is to be selected from 9 players A, B, C, D, E, F, G, H and M. There will be six players in the team. A cannot be selected with B. G cannot be selected with H. H and A should be in the same team. E cannot be selected with F. C cannot be selected with H but always must be selected with D. [RRB NTPC 21/01/2021 (Morning)]

Which of the following is a correct selection of the team?

Correct Answer: (d) B, C, D, E, G and M
Solution:

If we take A and H in the team, we cannot take B and G in the team. Also, C and D being together cannot be selected with H. In this way, we are left with only 5 players. Hence, we have to take B and G in the team, excluding A and H. We can take either E or F.
Option (d) fulfills all the conditions.

17. Read the given paragraph and answer the questions [RRB NTPC 21/01/2021 (Morning)]

There are five persons A, G, M, J and D. Every person has to select one item each from a box containing items numbered from 1 to 5. A and J selected items 5 and 2 respectively. G cannot select item 3, while M cannot select item 3 or 5. Which item can G select?

Correct Answer: (d) Item 1 or 4
Solution:

From the above table, we can see that G can select item 1 or 4.

18. Five friends Sohan, Mohan, Rohan, Ali and Salim like 5 different games i.e. Cricket, Kho-Kho, badminton, football and hockey, but not in the same order. Sohan likes football but does not like playing cricket. Ali and Rohan are best friends. Ali likes badminton and cricket is liked by Mohan. Who likes hockey? [RRB NTPC 21/01/2021 (Evening)]

Correct Answer: (d) Either Rohan or Salim
Solution:

19. A, B, C, and D are four persons in a group who have to choose one number from 1 to 10. No two persons can take the same number. The Cube of the number chosen by A and the Square of the number chosen by C are both within the permitted number range. B has chosen a number that is just one greater than the number chosen by C and D has chosen the smallest number amongst the four persons. What number has D chosen? [RRB NTPC 21/01/2021 (Evening)]

Correct Answer: (d) 1
Solution:

D chosen the smallest no = 1 Cube of a no chosen by A must be less than 10, so the no is 2, Square of the no chosen by C must be less than 10, so the no is 3, B has chosen a number that is just one greater than the number chosen by C i.e 4

20. In a workshop, there are five workers- A, V, N, J, and S, who each go to work only once in a week. The workshop operates for 5 days a week. N goes on Monday. A and V go on consecutive days. A goes the next day to that of N. There is a gap of two days between the days on which A and J go to work. On which of the given days would S be going to the workshop? [RRB NTPC 21/01/2021 (Evening)]

Correct Answer: (b) Thursday
Solution: