Verbal Reasoning - Logical Deduction Questions

Q:

In an objective competitive exam, a correct answer score 4 marks and on a wrong answer 2 marks are negatively added. A student scores 420 marks from 150 question. How many answers were correct ?

A) 145 B) 138
C) 125 D) 120
 
Answer & Explanation Answer: D) 120

Explanation:

let x be the correct answer and y be the wrong answer
so the total number of questions is (x + y) = 150.....(1)
=> 4x - 2y = 420.....(2)
By solving (1) & (2), we get
=> 6x = 720
hence x = 120
Therefore, number of correct answers are 120.

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Filed Under: Logic
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Q:

Rearrange the following sentences (A), (B), (C), (D), (E) and (F) in the proper sequence to form a meaningful paragraph, then answer the questions given below them.

 

(A) But those apps are just a hint of what this Internet behemoth offers

(B) Gmail, Google maps, and Blogger are used widely.

(C) By now, most know that Google is about far more than search.

(D) Under the hood of its famous search engine. (F) You may not know about, but probably should

(E) Here’s a rundown of some useful Google gems that

A) DECBFA B) EDCFBA
C) BCDAEF D) DCEBFA
 
Answer & Explanation Answer: B) EDCFBA

Explanation:

The rearranged sentences are ::

(D) By now, most know that Google is about far more than search.(C) Gmail, Google maps, and Blogger are used widely.(B) But those apps are just a hint of what this Internet behemoth offers (E) under the hood of its famous search engine.(A) Here’s a rundown of some useful Google gems that (F) you may not know about, but probably should.

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Q:

Statement: A large number of students who have passed their XII Std. terminal examination in the country could not get admission to colleges as the number of seats available are grossly inadequate.
Courses of action:
a. The evaluation system of XII Std. terminal examination should be made more tough so that fewer students pass the examination.
b. The Government should encourage the private sector to open new colleges by providing them land at cheaper rate.
c. The rich people should be asked to send their wards to foreign countries for higher studies enabling the needy students to get admission in colleges within the country.

A) only a and b follows B) Only c follows
C) Only b follows D) All a, b & c follows
 
Answer & Explanation Answer: C) Only b follows

Explanation:

Clearly, reducing the number of aspirants for admission to colleges or sending the students of well-to-do families to foreign countries for higher studies, is no proper solution. So, both I and III do not follow. The right solution is to increase the number of colleges so as t accommodate the increasing number of admission-seekers. So, only II follows.

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Q:

In agroup of six women, there are four dancers, four vocal musicians, one actress and three violinists. Girija and Vanaja are among the violinists while Jalaja and Shailaja do not know how to ply on the violin. Shailaja and Tanuja are among the dancers. Jalaja, Vanaja, Shailaja and Tanuja are all vocal musicians and two of them are also violinists. If Pooja is an actress, who among the following is both a dancer and a violinist ?

A) Shailaja B) Vanaja
C) Girija D) Tanuja
 
Answer & Explanation Answer: D) Tanuja

Explanation:

The four vocal musicians and one actress in the group are given. Two dancers are Shailaja and Tanuja. Two violinists are Girija and Vanaja. Since Jalaja and Shailaja cannot be violinists, so remaining two violinists are Tanuja and Pooja. Clearly, Tanuja is both a violinist and a dancer.

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Q:

Statement: The air and rail services have been severely disrupted due to thick fog in the northern part of the country.
Courses of action:
a. The rail and air services should be temporarily suspended in the region.
b. People should be advised to make their travel plan keeping in mind the probable disruption resulting in delay or cancellation of services.
c. The government should immediately install modern machines which will enable itto guide the rail and air services even if the thick fog develops.

A) Only a follows B) a and b follows
C) Only b follows D) a, b & c follows
 
Answer & Explanation Answer: D) a, b & c follows

Explanation:

Keeping in mind the safety and convenience of passengers, both 'a' and 'b' follow. 'c' clearly suggests a remedy to the problem and hence it also follows.

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Q:

Read the following question and decide which of the given arguments is/are strong.

 

Question : Should CBSE introduce the retention system till Class 10?

 

Argument 1 : The foundations laid in lower classes are important for higher education.


Argument 2 : It is boring for a student to repeat the same class again.

 

A) only arguments 2 is strong. B) Both arguments 1 and 2 are strong.
C) Neither arguments 1 nor 2 is strong D) only argument 1 is strong.
 
Answer & Explanation Answer: D) only argument 1 is strong.

Explanation:
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Filed Under: Statement and Arguments
Exam Prep: Bank Exams

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Q:

Consider the given statement and decide which of the following argument (s) is/are strong.

 

Statement : Should CBDT abolish income tax in India?

 

Argument 1: Yes, it is an unnecessary burden on the wage earners in India.

 

Argument 2: No, it is a good source of revenue for Indian Government.

 

A) Only argument 1 is strong B) Both arguments 1 and 2 are strong
C) Neither argument 1 nor 2 is strong D) Only argument 2 is strong
 
Answer & Explanation Answer: D) Only argument 2 is strong

Explanation:
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Filed Under: Statement and Arguments
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Q:

If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father?

which one should be used to calculate the age ?

A) mother/son = Non-prime number
B) mother/son = Perfect square number

A) only A alone is sufficient B) only B alone is sufficient
C) both A and B are required D) Cannot be answered
 
Answer & Explanation Answer: B) only B alone is sufficient

Explanation:

For the given problem there are three possiblities.
Father's age can be = 36, 31, 29
Mother's age = 32, 27, 25
Son's age = 8, 3, 1.

By using only B it can be calculated.

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Filed Under: Statement and Conclusions
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