Aptitude and Reasoning Questions

Q:

A motor boat takes 12 hours to go downstream and it takes 24 hours to return  the same distance. what is the time taken by  boat in still water?

A) 15 h B) 16 h
C) 8 h D) 20 h
 
Answer & Explanation Answer: B) 16 h

Explanation:

If t1 and t2 are the upstream and down stream times. Then time taken in still water is given by 

2×t1×t2t1+t2=2×12×2436=16h

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Filed Under: Boats and Streams

61 19416
Q:

A man travelled a distance of 80 km in 7 hours partly on foot at the rate of 8 km per hour and partly on bicycle at 16 km /hr. Find the distance travelled on foot ?

Answer

Let the Journey on foot be x km


Journey on cycle = (80 – x) km


x8+80-x16= 7 


=> x = 32km


Therefore,  Distance covered on foot in 4 hrs = ( 4 x 8) = 32 km

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54 19412
Q:

Use each of the below figures only once and form three groups. The three groups so formed are

 

 

 

A) (1,3,5), (2,7,9), (6,4,8) B) (1,3,5), (2,4,8), (6,7,9)
C) (1,3,5), (6,4,9), (2,7,8) D) (1,3,5), (2,4,9), (6,7,8)
 
Answer & Explanation Answer: D) (1,3,5), (2,4,9), (6,7,8)

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

0 19382
Q:

In the following question, select the missing number from the given series.

 

2, 3, 4, 9, 16, 29, 54, ?

 

A) 109   B) 99  
C) 87   D) 117
 
Answer & Explanation Answer: B) 99  

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

9 19380
Q:

Arrange the following words as per order in the dictionary:

1. Zeal

2.Zebra

3.Zygote

4.Zinc

5.Zest

A) 1,2,5,3,4 B) 1,2,5,4,3
C) 1,5,2,4,3 D) 1,5,2,3,4
 
Answer & Explanation Answer: B) 1,2,5,4,3

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

1 19375
Q:

Arrange the given words in the sequence in which they occur in the dictionary.

i. Preview
ii. Preventive
iii. Prefer
iv. Preformation

 

A) iii,ii,i,iv B) iv,iii,i,ii
C) iii,iv,ii,i D) iii,i,ii,iv
 
Answer & Explanation Answer: C) iii,iv,ii,i

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

1 19349
Q:

In a test, minimum passing percentage for girls and boys is 35% and 40% respectively. A boy scored 483 marks and failed by 117 marks. What is the minimum passing marks for girls ?

A) 625 B) 525
C) 425 D) 325
 
Answer & Explanation Answer: B) 525

Explanation:

Given 40% minimum passing marks for boys = 483 + 117 = 600
=> 1% = 600/40
=> 100% = 600 x 100/40 = 1500
Minimum passing marks for girls = 35% of 1500 = 35 x 1500/100 = 525.

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

15 19349
Q:

How many different words can be made using the letters of the word ' HALLUCINATION ' if all constants are together?

A) 129780 B) 1587600
C) 35600 D) None of these
 
Answer & Explanation Answer: B) 1587600

Explanation:

 H   L   C   N    T    A   U   I   O

 

      L        N          A        I

 

There are total 131 letters out of which 7 are consonants and 6 are vowels. Also ther are 2L's , 2N's, 2A's and 2I's.

 

If all the consonants  are together then the numberof arrangements = 7!2!x 1/2! .

But the 7 consonants  can be arranged themselves in  7!2! x 1/2! ways. 

 

Hence the required number of ways = 7!2!2!2 = 1587600

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

8 19345