Aptitude and Reasoning Questions

Q:

The ages of X and Y are in the proportion of 6:5 and total of their ages is 44 years. The proportion of their ages after 8 years will be

A) 3:6 B) 6:3
C) 8:7 D) 9:5
 
Answer & Explanation Answer: C) 8:7

Explanation:

Let current ages of X and Y correspondingly, is 6A & 5A
Given: 6A + 5A = 44
=> A = 4
Proportion of ages after 0.8 decades will be
6A + 8 : 5A + 8   32:28 (or) 8:7

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Filed Under: Problems on Ages

22 17755
Q:

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

 

BBAAAAA, ABBAAAA, AABBAAA, AAABBAA, AAAABBA, _______________.

 

A) BBAAAAA   B) AABBAAA  
C) AAAAABB   D) ABBAAAA
 
Answer & Explanation Answer: C) AAAAABB  

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

2 17745
Q:

A mixture of 150 liters of wine and water contains 20% water. How much more water should be added so that water becomes 25% of the new mixture ?

A) 5 lit B) 10 lit
C) 15 lit D) 20 lit
 
Answer & Explanation Answer: B) 10 lit

Explanation:

Number of liters of water in 150 liters of the mixture = 20% of 150 = 20/100 x 150 = 30 liters.
P liters of water added to the mixture to make water 25% of the new mixture.
Total amount of water becomes (30 + P) and total volume of mixture is (150 + P).
(30 + P) = 25/100 x (150 + P)
120 + 4P = 150 + P => P = 10 liters.

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Filed Under: Alligation or Mixture
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

9 17741
Q:

One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture.

A) 27 % B) 26 %
C) 29 % D) 21 %
 
Answer & Explanation Answer: A) 27 %

Explanation:

Let the percentage of benzene = X
(30 - X)/(X- 25) = 6/4 = 3/2
=> 5X = 135  
X = 27

So, required percentage of benzene = 27 %

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30 17740
Q:

Statements :

 

A) H2SO4 is used in the refining of petroleum to remove sulphur and other compounds.

B) The basic nature of Sodium Hydroxide (NaOH) is due to the presence of Hydrogen ions in the solution.

 

A) Both statements are false B) Only statement A is true
C) Only statement B is true D) Both statements are true
 
Answer & Explanation Answer: B) Only statement A is true

Explanation:
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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

0 17737
Q:

Read the following statement and the arguments that follow. Decide which of the arguments is strong.


Statement:
Should written examination in primary schools be abolished?


Arguments:
1. Yes, young students feel the burden and such examinations do not help in the natural thinking process.
2. No, without examination students will not be serious about education and learning.

A) Both arguments I and 2 are strong B) Only argument I is strong
C) Neither argument 1 nor 2 is strong D) Only argument 2 is strong
 
Answer & Explanation Answer: A) Both arguments I and 2 are strong

Explanation:
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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , CAT

0 17736
Q:

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done?

A) 564 B) 735
C) 756 D) 657
 
Answer & Explanation Answer: C) 756

Explanation:

We may have (3 men and 2 women) or (4 men and 1 woman) or (5 men only). 

 

Required number of ways= 7C3*6C2+7C4*6C1+7C5 = 756.

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11 17731
Q:

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

 

15, 7.5, 7.5, ?, 22.5, 56.25

 

A) 10.25 B) 11.25  
C) 11 D) 12.5
 
Answer & Explanation Answer: B) 11.25  

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

6 17723