Aptitude and Reasoning Questions

Q:

A number is decreased by 10% and then increased by 10%.  The number so obtained is 10 less than the original number. What was the oiginal number ? 

A) 1000 B) 2000
C) 3000 D) 4000
 
Answer & Explanation Answer: A) 1000

Explanation:

Let the original number be x.

 

Final number obtained = 110% of (90% of x) =(110/100 * 90/100 * x) = (99/100)x. 

 

x-(99/100)x=10

=> x =1000

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Filed Under: Percentage

141 51075
Q:

A shopkeeper offers the following 3 schemes. Which scheme has the maximum discount percentage?

I. Two successive discount of 20% and 25%

II. Buy 5 get 3 free

III. Buy 5 get 6

 

A) Only II B) Only I
C) Only I and II D) Only I and III
 
Answer & Explanation Answer: B) Only I

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

3 51063
Q:

If (x + y)2 - xy = 0, then find the value of x3 - y3x - y.

 

A) 2 B) 3
C) 0 D) 5
 
Answer & Explanation Answer: C) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 51002
Q:

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 cu.m , then the rise in the water level in the tank will be:

A) 20 cm B) 25 cm
C) 35 cm D) 50 cm
 
Answer & Explanation Answer: B) 25 cm

Explanation:

Total volume of water displaced =(4 x 50) cu.m = 200 cu.m

 

Rise in water level = 20040×20=0.25m = 25cm

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64 50997
Q:

Which of the following terms follows the trend of the given list?

 

BAAAAABA, BAAAABAA, BAAABAAA, BAABAAAA, BABAAAAA, _______________.

 

A) BAAAAAAB   B) BAAAAABA  
C) BBAAAAAA   D) BAAAABAA
 
Answer & Explanation Answer: C) BBAAAAAA  

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

3 50995
Q:

Pick the odd man out

1 4 16 64 126

A) 1 B) 4
C) 64 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:

1*3+1=4

4*3+4=16

16*3+16=64

64*3+64=208 but it is given 126

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2 50957
Q:

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

BFJ : NRV :: DHL :?

A) PTA B) PTX
C) KQS D) MQV
 
Answer & Explanation Answer: B) PTX

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 50952
Q:

If s + 1s = 4, then the value of s2 + 1s2

 

A) 14 B) 16
C) 20 D) 24
 
Answer & Explanation Answer: A) 14

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 50854