Aptitude and Reasoning Questions

Q:

How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?

A) 215 B) 315
C) 415 D) 115
 
Answer & Explanation Answer: B) 315

Explanation:
Parallelograms are formed when any two pairs of parallel lines (where each pair is not parallel to the other pair) intersect.
 

Hence, the given problem can be considered as selecting pairs of lines from the given 2 sets of parallel lines.
 

Therefore, the total number of parallelograms formed = 7C2 x 6C2 = 315
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Filed Under: Permutations and Combinations
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
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30 19049
Q:

If an = 1n + 1 + 1 then find the value of a1 + a3 + a5.

 

 

A) 17/12 B) 27/12
C) 37/12 D) 47/12
 
Answer & Explanation Answer: D) 47/12

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 19048
Q:

Study the following information and answer the given question:

Point A is 10m to the south of B.Point G is 3 m to the east of A. Point H is 5 m to the south of G. Point D is 6 m to the west of H. Point C is 10 m to the north of D. Point K is 6 m to the east of C. Point L is 5 m to the north of K.

How far and in which direction is point B from point L?

A)

5 metres south

B)

4 metres east

C)

6 metres north

D)

3 metres west

 
Answer & Explanation Answer: D)

3 metres west



Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
Exam Prep: Bank Exams , CAT
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2 19048
Q:

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

1. Regular

2. Rehearse

3. Regard

4. Refugee

5. Refine

 

A) 12453 B) 54312
C) 51243 D) 32154
 
Answer & Explanation Answer: B) 54312

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

1 19045
Q:

According to the given Venn diagram, the number of boys who are neither athletes nor disciplined is ___.

 

 

 

A) 1 B) 10
C) 7 D) 11
 
Answer & Explanation Answer: B) 10

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

2 19037
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)  :   We feel comfortable in hot and humid climate. 

Reason (R)     :   Sweat evaporates faster in humid climate. 

A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false. D) Both A and R are false.
 
Answer & Explanation Answer: D) Both A and R are false.

Explanation:

We feel uncomfortable in hut and humid climate because in hot weather, body sweats more but due to high humidity, this sweat does not evaporate easily. 

 

 

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Filed Under: Assertion and Reason

16 19035
Q:

On which day in April is Gautam's birthday ?  

I. Gautam was born exactly 28 years after his mother was born. 

II. His mother will be 55 years 4 months and 5 days on August 18 this year. 

A) If the data in statement I alone are sufficient to answer the question B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question; D) If the data in both the statements together are needed.
 
Answer & Explanation Answer: D) If the data in both the statements together are needed.

Explanation:

Clearly, the birthday of Gautam's mother can be found out from II and then Gautam's birthday can be determined using the fact given in I. Thus, both the statements are required. 

 

 

 

 

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Filed Under: Data Sufficiency

8 19028
Q:

Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is :

A) 2/9 B) 1/9
C) 8/9 D) 7/9
 
Answer & Explanation Answer: B) 1/9

Explanation:

One person can select one house out of 3= 3C1 ways =3.

 

Hence, three persons can select one house out of 3 in 3 x 3 x 3 =9.

 

Therefore, probability that all thre apply for the same house is 1/9

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Filed Under: Probability

50 19009