Aptitude and Reasoning Questions

Q:

How many sons does X have ? 

I. Q and U are brothers of T. 

II. R is sister of P and U. 

III. R and T are daughters of X. 

A) I and 11 only B) I, II and III together
C) II and III together D) I, II and III together are not sufficient
 
Answer & Explanation Answer: D) I, II and III together are not sufficient

Explanation:

The information given in the three statements together is also not sufficient to answer the given question. 

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Filed Under: Data Sufficiency

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Q:

In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ?

A) 24 lit B) 16 lit
C) 32 lit D) 8 lit
 
Answer & Explanation Answer: C) 32 lit

Explanation:

Given mixture = 48 lit

Milk in it = 48 x 5/8 = 30 lit

=> Water in it = 48 - 30 = 18 lit

Let 'L' lit of water is added to make the ratio as 3:5

=> 30/(18+L) = 3/5

=> 150 = 54 + 3L

=> L = 32 lit.

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

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Q:

Refer to the data and answer the question.

What is the average number of children per house?

A) 1.79 B) 1.54
C) 2.04 D) 1.29
 
Answer & Explanation Answer: B) 1.54

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

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Q:

Two boys starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 8.5km apart, if they walk in the same direction?

A) 15 hours B) 16 hours
C) 17 hours D) 18 hours
 
Answer & Explanation Answer: C) 17 hours

Explanation:

In this type of questions we need to get the relative speed between them,
The relative speed of the boys = 5.5kmph – 5kmph
= 0.5 kmph

Distance between them is 8.5 km
Time = Distance/Speed
Time= 8.5km / 0.5 kmph = 17 hrs

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Filed Under: Time and Distance
Exam Prep: GRE

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Q:

A shopkeeper fixes the marked price of an item 35% above its cost price. The percentage of discount allowed to gain 8% is

A) 18% B) 20%
C) 22% D) 24%
 
Answer & Explanation Answer: B) 20%

Explanation:

Let the cost price = Rs 100
then, Marked price = Rs 135

Required gain = 8%,
So Selling price = Rs 108
Discount = 135 - 108 = 27

Discount% = (27/135)*100 = 20%

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Filed Under: Profit and Loss

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Q:

Decide which of the conclusions logically follows from the information given in the statement.

Statements
Poverty is increasing because politicians don't understand poverty nor do they know anything about the problems faced by the poor.

Conclusions:
1. All politicians should be replaced.
2. All politicians should be asked to live in poor conditions.

 

A) Both 1 and 2 follow B) Only conclusion 2 follows
C) Neither 1 nor 2 follows D) Only conclusion 1 follows
 
Answer & Explanation Answer: C) Neither 1 nor 2 follows

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

1 16233
Q:

Consider the word ROTOR. Whichever way you read it, from left to right or from right to left, you get the same word. Such a word is known as palindrome. Find the maximum possible number of 5-letter palindromes.

A) 17756 B) 17576
C) 12657 D) 12666
 
Answer & Explanation Answer: B) 17576

Explanation:

The first letter from the right can be chosen in 26 ways because there are 26 alphabets.

 

Having chosen this, the second letter can be chosen in 26 ways

 

The first two letters can chosen in 26 x 26 = 676 ways

 

Having chosen the first two letters, the third letter can be chosen in 26 ways.

 

All the three letters can be chosen in 676 x 26 =17576 ways.

 

It implies that the maximum possible number of five letter palindromes is 17576 because the fourth letter is the same as the second letter and the fifth letter is the same as the first letter.

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Q:

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

1. Incomplete

2. Incorrect

3. Include

4. Increment

5. Income

 

 

A) 51243 B) 12453
C) 34125 D) 35124
 
Answer & Explanation Answer: D) 35124

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

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