Aptitude and Reasoning Questions

Q:

{8 - (28 - 53)} / {-4 x 5 - (-9)} = ?

 

A) 11 B) -3
C) 3 D) -11
 
Answer & Explanation Answer: B) -3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

15 84640
Q:

If (57)4x. (75)3x-1 = (75)6, then find the value of x which satisfies the equation.

 

A) -1 B) -7
C) 1 D) 7
 
Answer & Explanation Answer: B) -7

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

A) 0 B) -1
C) 1 D) none of these
 
Answer & Explanation Answer: A) 0

Explanation:

Average of 20 numbers = 0. 

 

Sum of 20 numbers = (0 * 20) = 0. 

 

It is quite possible that 19 of these numbers may be positive and if their sum is a, then 20th number is (- a).

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Filed Under: Average

278 84527
Q:

All windows are doors. No door is wall

Conclusions:

1. No window is wall

2. No Wall is door

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

Explanation:

Since both the premises are universal and one premise is negative, the conclusion must be universal negative. Also, the conclusion should not contain the middle term. So, 1 follows.

 

However, 2 is the converse of the second premise and thus it also holds.

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Filed Under: Statement and Conclusions
Exam Prep: GRE

70 84481
Q:

 A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half. The number of pupils in the class is :

A) 45 B) 40
C) 39 D) 37
 
Answer & Explanation Answer: B) 40

Explanation:

Let there be x pupils in the class.

Total increase in marks = (x * 1/2) = x/2.

x/2 = (83 - 63) => x/2 = 20 => x = 40.

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201 84419
Q:

ΔXYZ is right angled at Y. If sinX = 12/13, then what is the value of cosecZ ?

 

A) 5/12   B)  5/13  
C) 13/5   D)  13/12
 
Answer & Explanation Answer: C) 13/5  

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

2 84261
Q:

Choose the pair which shows the same relation of the given pair from the following options ?

 BRISTLE : BRUSH

A) arm : leg B) key : piano
C) recline : chair D) stage : curtain
 
Answer & Explanation Answer: B) key : piano

Explanation:

A bristle is a part of a brush; a key is a part of a piano.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO

10 83986
Q:

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


43 : 27 : : ? : ?

 

A) 77 : 65 B)  91 : 87
C)  65 : 49 D) 69 : 55
 
Answer & Explanation Answer: C)  65 : 49

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

18 83762