Verbal Reasoning - Logical Deduction Questions

Q:

If 15 men 4 hours per day works for 14 days get Rs.35/- then how many men required if the work is 8 hours per day for 10 days they get 50/- ?

A) 12 B) 13
C) 14 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:

We know M1×D1×H1W1 = M2×D2×H2W2 

 


=> 15×4×1435 = M×8×1050

 

=> M = 15

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Q:

The number of dropouts in govt schools has significantly increased in the urban areas over the past few years. 

 

Courses of action:

I. The govt should immediately close down all such schools in the urban areas where the dropout goes beyond 20 per cent

II. The parents of all the students who dropped out of the govt schools in urban areas should be punished.

A) If only course of action I follows B) If only course of action II follows
C) If either course of action I or II follows D) If both courses of action I and II follow
 
Answer & Explanation Answer: D) If both courses of action I and II follow

Explanation:

Both are extreme courses of action.

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Q:

Indigenous tribes living near Amazon forests are cutting down trees to cover their basic needs , thus severely affecting the ecological balance in the area.

 

Courses of action:

I. All the tribes living near the Amazon rain forests Should be forced to shift to urban areas of the country.

II. The tribes should be allowed to continue doing so as they cut down trees for their basic needs and not for commercial purposes.

A) If only course of action I follows B) If only course of action II follows
C) If either course of action I or II follows D) If both courses of action I and II follow
 
Answer & Explanation Answer: D) If both courses of action I and II follow

Explanation:

I is simply absurd. But even II is not the solution.

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Q:

Consider the given statement true and decide which of the given assumptions is/are implicit.

 

Statement :

 

It is desirable to start writing from 6 years of age.

 

Assumptions :

 

1. Fine motor skills are well developed by 6 years of age.

2. Children cannot write before 6 years of age.

 

A) Neither assumption 1 nor 2 is implicit B) Only assumption 2 is implicit
C) Both assumptions 1 and 2 are implicit D) Only assumption 1 is implicit
 
Answer & Explanation Answer: D) Only assumption 1 is implicit

Explanation:
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Q:

Consider the given argument and decide which of the given assumptions is/are implicit.

Argument :
All girls love reading novels.

Assumptions :
1. Novels are the only reading materials.
2. No girl loves to read other materials.

 

A) Both assumptions 1 and 2 are implicit B) Only assumption 1 is implicit
C) Neither assumption 1 nor 2 is implicit D) Only assumption 2is implicit
 
Answer & Explanation Answer: C) Neither assumption 1 nor 2 is implicit

Explanation:
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Q:

Manish completes a work in 20 days. After 8 days Sriram joined the work. In how many days will the work be completed  ?

Statements :

I. Sriram takes twice the time than Manish to complete the work.
II. Sriram completes half the work in 15 days.

A) Statement I alone is sufficient to answer the question B) Statement II alone is sufficient to answer the question
C) Either the statements I & II is sufficient to answer the question D) Neither the statements I & II is sufficient to answer the question
 
Answer & Explanation Answer: C) Either the statements I & II is sufficient to answer the question

Explanation:

From statement I,

Time taken by Sriram to complete the work = 40 days

From statement II,

Time taken by Sriram to complete the wok = 30 days

So from both either by statement I or statement II we can find the time to complete the work.

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Q:

Statement: There has been a significant drop in the water level of all the lakes supplying water to the city.
Courses of action:
I. The water supply authority should impose a partial cut in supply to tackle the situation.
II. The government should appeal to all the residents though mass media for minimal use of water.

A) Only I follows B) Only II follows
C) Both I & II follows D) Neither I nor II follows
 
Answer & Explanation Answer: C) Both I & II follows

Explanation:

The situation can be tackled by periodic cuts in supply, and urging people to conserve water. So both the courses follow.

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Q:

In each question given below four conclusions are followed by statements. You have to take the three given statements to be true (even if they seem to be at variance from the commonly known facts). Read the conclusions and decide which of the following set of statement indicate that conclusion is logically follows.

Statements :
1. All chairs are tents.

2. No chairs is jugs.

3. No jugs is glasses.

4. No glasses is pots.

Conclusions :
I. All pots are tents.

II. All glasses are chair.

III. Some jugs are tents.

A) Only conclusion I follows B) Both conclusion II & III follows
C) None follows D) Only conclusion II follows
 
Answer & Explanation Answer: C) None follows

Explanation:
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