Aptitude and Reasoning Questions

Q:

What letters will fill the blank?

Z, X, V, T, R, __,__

A) M, N B) P, N
C) O, K D) K, S
 
Answer & Explanation Answer: B) P, N

Explanation:

Here the letter series is alternative reverse order series. So we get P, N.

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Filed Under: Number Series

35 69112
Q:

If  A  =  Z,  B  =  Y  and  so  on  ,  code the following

‘EDITOR’

A) VWRGLI B) VWRGVI
C) VWVGLI D) VWRLLI
 
Answer & Explanation Answer: A) VWRGLI

Explanation:

EDITOR will be coded as VWRGLI

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

3 68805
Q:

 The percentage increase in the area of a rectangle, if each of its sides is increased by 20%

A) 22% B) 33%
C) 44% D) 55%
 
Answer & Explanation Answer: C) 44%

Explanation:

Let original length = x metres and original breadth = y metres.

Original area = xy sq.m 

Increased length  = 120100 and Increased breadth = 120100 

 

New area = 120100x*120100y=3625xy m2 

 

The difference between the Original area  and New area  is:  

3625xy-xy

 

1125xy Increase % =1125xyxy*100= 44%

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

108 68804
Q:

A person crosses a 600 m long street in 5 minutes, What is his speed in km per hour?

A) 3.6 B) 7.2
C) 8.4 D) 10
 
Answer & Explanation Answer: B) 7.2

Explanation:

Speed =   6005×60 m/sec= 2 m/sec = 2 x (18/5) km/hr = 7.2 km/hr

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Filed Under: Time and Distance

315 68608
Q:

Find the missing number in the given number series?

514, 470, ?, 415, 404

A) 441 B) 437
C) 426 D) 420
 
Answer & Explanation Answer: B) 437

Explanation:

Given number series is 514   470   ?   415   404

 

 

 

Here the pattern it follows is

 

514

 

514 - 44 = 470

 

470 - 33 = 437

 

437 - 22 = 415

 

415 - 11 = 404

 

Hence, the missing number in the given number series is 437.

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Filed Under: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

4 68546
Q:

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

Let the numbers 13a and 13b.

Then, 13a x 13b = 2028

=>ab = 12.

Now, the co-primes with product 12 are (1, 12) and (3, 4).

[Note: Two integers a and b are said to be coprime or relatively prime if they have no common positive factor other than 1 or, equivalently, if their greatest common divisor is 1 ]

So, the required numbers are (13 x 1, 13 x 12) and (13 x 3, 13 x 4).

Clearly, there are 2 such pairs.

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Filed Under: HCF and LCM

231 68501
Q:

If Z = 52 and ACT = 48, then BAT will be equal to

A) 39 B) 41
C) 44 D) 46
 
Answer & Explanation Answer: D) 46

Explanation:

In the given code, A = 2, B = 4, C = 6,.... , Z = 52.

So, ACT = 2 + 6 + 40 = 48 and

BAT = 4 + 2 + 40 = 46

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Filed Under: Coding and Decoding

937 68340
Q:

Find the next number in the given series

0.25, 8, 128, 1024, ?

A) 4096 B) 2526
C) 8486 D) 2620
 
Answer & Explanation Answer: A) 4096

Explanation:

Here given series follows a pattern that

0.25, 8, 128, 1024, ?

0.25 x 32 = 8

8 x 16 = 128

128 x 8 = 1024

1024 x 4 = 4096

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Bank Clerk , Bank PO

5 68283