# CAT Model Paper 4 Questions and Answers with Explanation Part 10

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Directions for the Questions 51 to 53: Solve the questions given below on the basis of the following information:

There are cities in a state. Some of them are connected with one way routes while some are connected with two way routes. The only mode of travel between any two cities is bus service which charges per kilometre. The routes and fares are given below:

 One way routes S. No From To Fare (Rs) 1 E F 150/- 2 A C 300/- 3 H E 200/- 4 F G 250/- 5 B A 450/- 6 C H 500/-
 Two way routes S. No From To Fare (Rs) 1 H D 100/- 2 C B 200/- 3 B G 100/- 4 D E 50/- 5 G H 150/-

Q: 51. What will be the minimum time taken by bus to travel from A to E if the average speed of bus is 45 km/hr?

(A)

(B)

(C)

(D)

Ans: C

Solution:

Calculate the distance first by dividing fares by . The diagram will be as under:

Double arrow: two way route

Single arrow: one way route

The minimum path is A C B G H D E, The minimum distance between A and . Hence time taken hrs.

Hence option C.

Q: 52. If a person starts from B and after visiting all the cities exactly once he comes back to B, then what is the total distance travelled by him

(A

(B)

(C)

(D) He cannot visit all the cities

Ans: C

Solution:

The path will be BACHDEFGB, hence the total distance will be .

Hence option C

Q: 53. If a person is allowed to travel a maximum distance of starting from E without visiting any city more than once, then what is the maximum number of cities he can travel to.

(A)

(B)

(C)

(D)

Ans: A

Solution:

The path will be which is less than but maximum six cities he can travel from E.

Hence option A

End Passage

Q: 54. Identify the CORRECT sentence(s) in terms of grammar, spelling and punctuation.

1. Never once I have heard of such nonsense!

2. This is an European custom which has made its way into India.

3. She is an only child to her parents.

(A)

(B)

(C)

(D)

Ans: C

Solution:

1. If a sentence begins with certain expressions such as ‘never’, ‘not once’ ‘under no

Circumstances’ etc., there is an inversion of the subject and the verb. Whereas in a normal sentence the subject comes first followed by the verb, here the verb takes the initial position. The correction is - Never once have I heard.... Under no circumstances will I allow you to.....Not once has he...

‘European’ does not have a vowel sound in the initial syllable. It should be ‘a European’. ‘Advice’ is an uncountable noun. Therefore, ‘She needs good advice.....’ we do not use ‘a’ or ‘an’ before uncountable nouns such as advice, information, luggage/ baggage, traffic, patience and so on. Answer - Only 3.

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