Aptitude and Reasoning Questions

Q:

What should come in place of question mark (?) in the following number series?

1, 244, 163, 190, 181, ?,

A) 188 B) 198
C) 221 D) 184
 
Answer & Explanation Answer: D) 184

Explanation:

Given number series -1, 244, 163, 190, 181, ?,

 

The pattern is as follows

 

1 + 243 = 244

 

244 - 81 = 163

 

163 + 27 = 190

 

190 - 9 = 181

 

181 + 3 = 184

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Filed Under: Number Series

4 40645
Q:

Select the related word/letters/numbers from the given alternatives:

Cytology : Cells :: ? : Birds

A) Odontology B) Mycology
C) Etymology D) Ornithology
 
Answer & Explanation Answer: D) Ornithology

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 40641
Q:

4 men can repair a road in 7 hours. How many men are required to repair the road in 2 hours ?

A) 17 men B) 14 men
C) 13 men D) 16 men
 
Answer & Explanation Answer: B) 14 men

Explanation:

M x T / W = Constant
where, M= Men (no. of men)
T= Time taken
W= Work load
So, here we apply
M1 x T1/ W1 = M2 x T2 / W2
Given that, M1 = 4 men, T1 = 7 hours ; T2 = 2 hours, we have to find M2 =?
Note that here, W1 = W2 = 1 road, ie. equal work load.
Clearly, substituting in the above equation we get, M2 = 14 men.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

40 40630
Q:

8, 15, 28, 53, ?, 199

A) 101 B) 102
C) 103 D) 104
 
Answer & Explanation Answer: B) 102

Explanation:

Here the series of the form is x2 - 1, x2 - 2, x2 - 3,...

 53 x 2 - 4 = 106 - 4 = 102

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

325 40623
Q:

x = y - (50/y), where x and y are both > 0 

If the value of y is doubled in the equation above, the value of x will

A) decrease B) stay the same
C) increase four fold D) increase to more than double
 
Answer & Explanation Answer: D) increase to more than double

Explanation:

The best approach is to pick a number that satisfies the rules that x and y are greater than 0. So for example you could choose 25 for y.

The value of x before doubling is then 25 - 50/25 = 23

The value after doubling y will be 50 - 50/50 = 49, which is more than double.

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Filed Under: Numbers
Exam Prep: GRE

5 40588
Q:

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

56 : 72 : : 90 : ?

A) 96 B) 97
C) 100 D) 110
 
Answer & Explanation Answer: D) 110

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 40577
Q:

Select the related word/letters/numbers from the given alternatives:

ACEG:BDFH::IKMO: ?

A) IJKL B) JLNP
C) KLMN D) HIJK
 
Answer & Explanation Answer: B) JLNP

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 40576
Q:

Select the related word from the given alternatives.

 

JUMBUCKS : SKCUBMUJ :: SHIPJACK : ___

A) KCAJPIHS B) KCAJIPHS
C) KCAIJPHS D) KCASPHIS
 
Answer & Explanation Answer: A) KCAJPIHS

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

4 40562