Aptitude and Reasoning Questions

Q:

The total surface area of a hemisphere is 1039.5 cm2. Find its diameter (in cm).

 

A) 21 B) 10.5
C) 42 D) 31.5
 
Answer & Explanation Answer: A) 21

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

1 31220
Q:

In the following question, select the related word from the given alternatives.

Umbrella : Rain : : Sweater : ?

A) Wool B) Wear
C) Summer D) Cold
 
Answer & Explanation Answer: D) Cold

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

Selling price of an article is Rs 2397 and discount offered is 15%. What is the marked price (in Rs)?

 

A) 2756.5 B) 2856.6
C) 2740 D) 2820
 
Answer & Explanation Answer: D) 2820

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Filed Under: Percentage
Exam Prep: Bank Exams

10 31215
Q:

In the following question, select the related letter/letters from the given alternatives.

 

WYV : PRN : : TPJ : ?

 

A) MIC B) NJD
C) MJC D) NID
 
Answer & Explanation Answer: A) MIC

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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

If a + b + c = 13, a2+b2+c2=69 then find the ab + bc + ca :

A) 10 B) 30
C) 50 D) 70
 
Answer & Explanation Answer: C) 50

Explanation:

a+b+c2=a2+b2+c2+2ab+bc+ca

2ab+bc+ca=a+b+c2-a2+b2+c2=169-69=100=ab+bc+ca=50

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Filed Under: Simplification

53 31205
Q:

A letter lock consists of three rings each marked with six different letters. The number of distinct unsuccessful attempts to open the lock is at the most  ?

A) 215 B) 268
C) 254 D) 216
 
Answer & Explanation Answer: A) 215

Explanation:

Since each ring consists of six different letters, the total number of attempts possible with the three rings is = 6 x 6 x 6 = 216. Of these attempts, one of them is a successful attempt.

 

Maximum number of unsuccessful attempts = 216 - 1 = 215.

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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27 31170
Q:

In the following question, select the related letter/letters from the given alternatives.

 

LJK : IGH : : PST : ?

 

A)   NRQ      B)      RUV    
C)   MPQ     D)   RVU  
 
Answer & Explanation Answer: C)   MPQ    

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Filed Under: Analogy
Exam Prep: Bank Exams

1 31168
Q:

In the following question, select the related number from the given alternatives.

 

94 : 36 : : 47 : ?

 

A) 32 B) 28
C) 11 D) 21
 
Answer & Explanation Answer: B) 28

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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