Aptitude and Reasoning Questions

Q:

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

Assertion (A) :   Bats can fly in the night.

Reason (R) :      Bats emit ultrasonics. 

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) A is false but R is true.
 
Answer & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Bats can fly in the night because they can trace the obstacle in the path by perceiving the echo of the ultrasonic sound emitted by them after it is reflected by the obstacle. 

 

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Filed Under: Assertion and Reason

2 11360
Q:

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:

A) 3 B) 4
C) 5 D) 6
 
Answer & Explanation Answer: B) 4

Explanation:

 

 P1+20100n>2P65n>2

 65×65×65×65>2

 

so, answer is 4 years

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

16 11359
Q:

Study the following graph carefully and answer the questions that follow:

Water level of four major Rivers (in meters) in four different Months

1. what was the respective ratio between the level of River - C in September and the water level of River - B in June?

1. 91 : 101           2. 94 : 101           3. 51 : 103           4. None of these


2. If the danger level of all the four rivers is above 215 m, which river has not crossed the danger level in August but has crossed the danger level in July ?

1. River - A          2. River - B          3. River - C          4. River - D


3. What is the average water level of River - A in all the four months together ?

1. 224.50 m        2. 212.25 m        3. 210.75 m        4. 222.25 m


4. In which river and in which month respectively the water level is highest ?

1. River - C in August     2. River - D in September     3. River - B in July     4. River - D in August


5. If the water level of River - A in July is decreased by 20 percent, then what will be the water level of River - A in July ?

1. 156 m              2. 162 m              3. 164 m            4. 152 m

Answer

1. Answer : 4 


Explanation : The water level of River-C in September = 184 and water level of River-B in June = 202


Required ratio = 184 : 202   => 92 : 101 


 


2. Answer :  2


 


3. Answer : 3


Explanation : Average water level of River-A in all months =196+205+230+2124= 210.75 m


 


4. Answer :  4 


 


5. Answer : 3


Explanation : Water level of River-A in July after decreasing =205×80100 = 41 x 4 = 164m

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Subject: Bar Charts

24 11357
Q:

When I went back to my hometown three years ago, I found that a lot of changes ______.

A) were taken place B) are taken place
C) had taken place D) have taken place
 
Answer & Explanation Answer: C) had taken place

Explanation:

Since he is telling about the thing that had happened in past.

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Filed Under: Analogy
Exam Prep: AIEEE , GRE , TOEFL

11 11355
Q:

What was the day on 2nd Jan 1901 ?

A) Tuesday B) Wednesday
C) Monday D) Thursday
 
Answer & Explanation Answer: B) Wednesday

Explanation:

2nd Jan 1901 means
(1900 years and 2 day)
Now, 1600 years have 0 odd day
300 years have 1 odd day
2 days has 2 odd day
Total no. of odd days = 0 + 1 + 2 = 3 days
Hence, the day on 2nd Jan 1901 was Wednesday.

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

24 11350
Q:

If an unbiased dice is rolled once, the odds in favour of getting a point which is multiple of 3 is:

A) 1/2 B) 2/1
C) 1/3 D) 3/1
 
Answer & Explanation Answer: C) 1/3

Explanation:

Total number =6

Getting a 'multiple of 3' = 2 . So, probability = 2/6 =1/3

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Filed Under: Probability

15 11347
Q:

There are seven persons P, Q, R, S, T, U and V up on a ladder(not in this order).P is further up than T but is lower than R. Q is in the middle. V is between P and Q. T is between Q and U. If U is between T and S, the person on the bottom step of the ladder will be ?

A) S B) R
C) U D) T
 
Answer & Explanation Answer: A) S

Explanation:

k221482990533.jpg image

Here as given Q is in the middle and it satisfies all other conditions given in the question.

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Filed Under: Logical Sequence of Words
Exam Prep: GATE
Job Role: Network Engineer

19 11331
Q:

Consider the following information and answer the questions based on it.

 

Out of the 75 birders, 15 wanted to see only sunbird, 10 wanted to see only flycatcher, 12 wanted to see both sunbird and nuthatch, 15 wanted to see only bee-eater, 13 wanted to see both sunbird and bee-eater, 5 wanted to see both flycatcher and nuthatch and the remaining wanted to see only nuthatch.

 

How many birders wanted to see only one bird?

A) 30 B) 40
C) 45 D) 50
 
Answer & Explanation Answer: C) 45

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

0 11322