8
Q:

Question :

In a cricket team, the average age of eleven players in 28 years. What is the age of the captain?

Statements :

a. The captain is eleven years older than the youngest player.

b. The average age of 10 players, other than the captain is 27.3 years.

c. Leaving aside the captain and the youngest player, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively.

A) All a,b and c follows B) Only a and c follows
C) Either b alone or a & b follows D) None

Answer:   C) Either b alone or a & b follows



Explanation:

From statement (b)
Average of 11 players = 11 x 28 = 308
Average of 10 players = 10 x 27.3 = 273
Age of captain = 308 - 273 = 35.

From the Statement (a) we can say that captain's age (C) = y + 11 ...(1) where y-youngers age
From the statement (c),the averge age of 3groups of 3players each was given,
It means total 9 players age was given indirectly,
1st group: 25 x 3 = 75
2nd group: 28 x 3 = 84
3rd group: 30 x 3 = 90
Total  is 75 + 84 + 90 = 249
Now {C + Y + (9 players age sum)}/11 = 28
Y + 11 + Y + (249) = 28 x 11=308
2Y+260=308
2Y = 308-260 = 40 ==> Y=24 ==> C(captain's age)= Y+11 = 24+11 = 35

Therefore, statement b alone or a & c only is the answer.

Q:

Consider the given statements to be true and decide which of the conclusions logically follow from the statements.

 

Statements :

 

Some carpenters are plumbers. Some plumbers are daily wage labourers.

 

Conclusions :

 

1. Some plumbers are carpenters

2. Some daily wage labourers are plumbers

 

A) Both 1 and 2 follow B) Neither 1 nor 2 follows
C) Only conclusion 1 follows D) Only conclusion 2 follows
 
Answer & Explanation Answer: A) Both 1 and 2 follow

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Q:

Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.

 

Statement :


No mango is an orange. No orange is an apple. Some mangoes are apples.

 

Conclusions :

1. No apple is a mango

2. No apple is an orange

3. Some oranges are mangoes

4. All apples are mangoes

 

A) Only conclusion 2 follows B) Only conclusion 1 follows
C) Only conclusion 2 and 3 follow D) Only conclusion 1 or 3 follow
 
Answer & Explanation Answer: A) Only conclusion 2 follows

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Q:

Consider the given question and decide which of the following statements iis sufficient to answer the question.

 

What is the birth year of Mr. Rajesh?

 

Statements :

 

1. At present Mr. Rajesh is 25 years younger to his father

 

2. Mr. Rajesh's sister who was born on 1974 is 35 years younger to his father

 

 

A) Statement 1 alone is sufficient while statement 2 alone is insufficient B) Both statements 1 and 2 are sufficient
C) Statement 2 alone is sufficient while statement 1 alone is insufficient D) Either statement 1 or 2 is sufficient
 
Answer & Explanation Answer: B) Both statements 1 and 2 are sufficient

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Q:

Decide which of the conclusions logically follow(S) from the information given in the statement.

 

Statement :

 

A company cannot make profit unless both, management and employees work together.

 

Conclusions :

 

1. The workers should be advised to cooperate with the management.

 

2. The management must be advised to cooperate with the employees.

 

A) Only conclusion 1 follows B) Neither 1 nor 2 follows
C) Only conclusion 2 follows D) Both 1 and 2 follow
 
Answer & Explanation Answer: D) Both 1 and 2 follow

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Q:

Consider the given question and decide which of the following statements is sufficient to answer the question.

 

Five people P, Q, R, S and T, are standing in a line, who is in the middle?

 

Statements:

 

1. Q is to the left of T.

2. S is in between P and T.

 

A) 2 alone is sufficient while 1 alone is not sufficient to answer the given question B) 1 alone is sufficient while 2 alone is not sufficient to answer the given question
C) Neither 1 nor 2 is sufficient to answer the given question D) Both 1 and 2 are sufficient to answer the given question
 
Answer & Explanation Answer: C) Neither 1 nor 2 is sufficient to answer the given question

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Q:

Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.

 

Statements :

 

Students passing from premier institutions such as IIM, IIT and IISC get placed in foreign countries and receive more salary than they received in India.

 

Conclusions :

 

1. Companies in India should pay the same salary as companies in foreign countries.

2. Students from these institutions should be barred from going to foreign countries.

 

A) Only conclusion 1 follow B) Neither 1 nor 2 follows
C) Both 1 and 2 follow D) Only conclusion 2 follow
 
Answer & Explanation Answer: B) Neither 1 nor 2 follows

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Q:

Consider the given statements to be true and decide which of the conclusions logically follows from the given statements.

 

Statements :

 

Some crows are peacocks, all peacocks are ducks. Some ducks are pigeons.

 

Conclusions :

 

1. Some ducks are crows.

2. Some pigeons are peacocks.

 

A) Either conclusion 1 or 2 follows B) Both conclusions 1 and 2 follow
C) Only conclusion 1 follows D) Only conclusion 2 follows
 
Answer & Explanation Answer: C) Only conclusion 1 follows

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Q:

Consider the given question and decide which of the following statements is sufficient to answer the question.

 

How many students in the class play Chess?

 

Statements :

 

1. Only girls play Chess.

2. There are 20 girls and 15 boys in the class.

 

A) Statement 1 alone is sufficient while statement 2 alone is insufficient B) Statement 2 alone is sufficient while statement 1 alone is insufficient
C) Both statement 1 and 2 are sufficient D) Neither statement 1 nor 2 is sufficient
 
Answer & Explanation Answer: C) Both statement 1 and 2 are sufficient

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