Aptitude and Reasoning Questions

Q:

The radius of base of a right circular cone is 6cm and its slant height is 10cm. Then its volume is

(use π=227)

A) 301.71 cm3 B) 310.71 cm3
C) 301.17 cm3 D) 310.17 cm3
 
Answer & Explanation Answer: A) 301.71 cm3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 101044
Q:

Some blankets are beds. Some pillows are blankets. All beds are pillows

Conclusions:

1. Some blankets are pillows

2. Some pillows are beds

3. Some beds are blankets

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

Explanation:

1 is the converse of 2nd premise,2 is the converse of 3rd premiseand 3 is the converse of 1st premise and such, all the 3 follow

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27 100546
Q:

Select the related number from the given alternatives.

236 : 472 :: 123 : ?

A) 246 B) 426
C) 642 D) 247
 
Answer & Explanation Answer: A) 246

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

1 100014
Q:

A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are :

A) 500 B) 600
C) 800 D) 1000
 
Answer & Explanation Answer: A) 500

Explanation:

Given that the student got 125 marks and still he failed by 40 marks

 

=> The minimum pass mark = 125 + 40 = 165

 

Given that minimum pass mark = 33% of the total mark

 

=> total mark =33/100 =165

 

=> total mark = 16500/33 = 500

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Filed Under: Percentage

582 99923
Q:

Insert the missing number.

3, 7, 6, 5, 9, 3, 12, 1, 15, (....)

A) 18 B) 13
C) -1 D) 3
 
Answer & Explanation Answer: C) -1

Explanation:

There are two series, beginning respectively with 3 and 7. In one 3 is added and in another 2 is subtracted.

The next number is 1 - 2 = -1.

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Filed Under: Odd Man Out

73 99687
Q:

Select the related word/letters/number from the given alternatives.

Head : Human Body :: ?

A) Arc : Circle B) Cube : Circle
C) Square : Circle D) Triangle : Circle
 
Answer & Explanation Answer: A) Arc : Circle

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 99686
Q:

A man spends 35% of his income on food, 25% on children's education and 80% of the remaining on house rent. What percent of his income he is left with ?

A) 6 % B) 8 %
C) 10 % D) 12 %
 
Answer & Explanation Answer: B) 8 %

Explanation:

Let the total income be x. 

Then, income left = (100 - 80)% of [100 -  (35 + 25)] % of x = 20% of 40% of x = [(20/100) * (40/100) * 100] % of x = 8 % of x.

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Filed Under: Percentage

529 99431
Q:

Some hills are rivers. Some rivers are desrets. All desrets are roads.

Conclusions:

1. Some roads are rivers

2. Some roads are hills

3. Some deserts are hills

A) None follows B) Only 1 follows
C) Only 1 and 2 follows D) All follow
 
Answer & Explanation Answer: B) Only 1 follows

Explanation:

Some hills are  rivers. Some rivers are deserts.

Since both the premises are particular, no defenite conclusion follows.

 

Some rivers are deserts. All deserts are roads

Since one premise is particular,the conclusion must be particular and should'nt contain the middle term. Since it follows that 'Some rivers are roads'. 1 is the converse of this conclusion and so it holds.

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30 99346