Aptitude and Reasoning Questions

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 84874
Q:

Find the missing number?

5 19 49 101 181 295 ?

A) 401 B) 351
C) 449 D) 501
 
Answer & Explanation Answer: C) 449

Explanation:

Given number series is 5  19  49  101  181  295 ?

Here the series follows pattern that

5   19   49   101   181   295  ?

  14   30   52    80     114   (difference)

      16  22   28     34 (difference)

         6     6     6  (Common difference)

 

Therefore, the missing number in the series is ? = 295 + 115 + 34 + 6 = 449.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Find out the wrong number in the series.

7, 8, 18, 57, 228, 1165, 6996

A) 8 B) 18
C) 57 D) 228
 
Answer & Explanation Answer: D) 228

Explanation:

Let the given numbers be A, B, C, D, E, F, G.

Then, A, A x 1 + 1, B x 2 + 2, C x 3 + 3, D x 4 + 4, E x 5 + 5, F x 6 + 6 are the required numbers.

Clearly, 228 is wrong.

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Filed Under: Odd Man Out

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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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Filed Under: Average

201 84614
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 84591
Q:

Find the unit place digit in the expression (159)144 + (114)123 - (110)510 + (213)25

 

A) 3 B) 4
C) 7 D) 8
 
Answer & Explanation Answer: D) 8

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 84213
Q:

Correct underlined words if necessary in the following sentence ?

Have you been more careful, the accident could have been averted.

A) Have you been B) If you have been
C) Had you been D) If you could have been
 
Answer & Explanation Answer: C) Had you been

Explanation:

As the sentence talks about the past it is apt to say. 'Had you been more careful ...'.

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

17 84107
Q:

The perimeter of a square is 34 cm. Find its area (in cm2).

 

A) 144.5   B) 82.25  
C) 164.5   D) 72.25
 
Answer & Explanation Answer: D) 72.25

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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