Aptitude and Reasoning Questions

Q:

In the following question, select the missing number from the given series.
 
102, 85, 68, 51, ?

A) 34 B) 40
C) 37 D) 31
 
Answer & Explanation Answer: A) 34

Explanation:
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Filed Under: Number Series

13 135905
Q:

Find the unit digit of the expression

312+322+332+342+352+362+372+382+392

A) 1 B) 4
C) 5 D) 9
 
Answer & Explanation Answer: C) 5

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

8 135835
Q:

3125  256  ?  4  1

Which number replaces the "?" in the question?

A) 27 B) 128
C) 32 D) 64
 
Answer & Explanation Answer: A) 27

Explanation:

In the given series numbers are arranged following the rule,

55,44, 33, 22, 11

 Therefore, the missing number is 27.

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Filed Under: Odd Man Out
Exam Prep: CAT
Job Role: Bank PO

18 135302
Q:

Choose the word which gives similar meaning to the given word from the following options.

'Autopsy'

A) Diagnosis B) Rebuild
C) Manufacture D) Postmortem
 
Answer & Explanation Answer: D) Postmortem

Explanation:

Autopsy is the medical term for postmortem.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer , Network Engineer , Project Manager

49 135098
Q:

A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours will be the true time when the clock indicates 1 p.m. on the following day?

A) 48 min. past 12. B) 46 min. past 12.
C) 45 min. past 12. D) 47 min. past 12.
 
Answer & Explanation Answer: A) 48 min. past 12.

Explanation:

Time from 8 a.m. on a day to 1 p.m. on the following day = 29 hours. 

24 hours 10 min. of this clock = 24 hours of the correct clock. 

1456 hrs of this clock = 24 hours of the correct clock. 

29 hours of this clock = 24*6145*29 hrs of the correct clock 

= 28 hrs 48 min of the correct clock. 

Therefore, the correct time is 28 hrs 48 min. after 8 a.m. 

This is 48 min. past 12.

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

711 134622
Q:

8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of the water is 16 : 65. How much wine the cask hold originally?

A) 18 litres B) 24 litres
C) 32 litres D) 42 litres
 
Answer & Explanation Answer: B) 24 litres

Explanation:

Let the quantity of the wine in the cask originally be x litres

 
Then, quantity of wine left in cask after 4 operations =x1-8x4litres

 

x1-8x4x = 1681  

 

 1-8x4=234 

 

x=24

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Filed Under: Alligation or Mixture

577 133687
Q:

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

A) No profit, no loss B) 5%
C) 8% D) 10%
 
Answer & Explanation Answer: B) 5%

Explanation:

C.P. of 56 kg rice = Rs. (26 x 20 + 30 x 36) = Rs. (520 + 1080) = Rs. 1600.

 

S.P. of 56 kg rice = Rs. (56 x 30) = Rs. 1680.

 

Gain =(80/1600*100) % = 5%

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Filed Under: Profit and Loss

1024 133217
Q:

Find the odd man out of the following number series?

49, 81, 121, 169, 196, 225

A) 81 B) 121
C) 196 D) 225
 
Answer & Explanation Answer: C) 196

Explanation:

Here in the given number series 49, 81, 121, 169, 196, 225

 

Except 196 all others are squares of odd numbers, whereas 196 is a square of 14 which is an even number.

 

Hence, the odd man in the given number series is 196.

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

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