Aptitude and Reasoning Questions

Q:

A steamer moves with a speed of 4.5 km/h in still water to a certain upstream point and comes back to the starting point in a river which flows at 1.5 km/h. The average speed of steamer for the total journey is

A) 12 km/h B) 10 km/h
C) 6 km/h D) 4 km/h
 
Answer & Explanation Answer: D) 4 km/h

Explanation:

Speed of streamer = 4.5 km/hrSpeed of water = 1.5 km/hr

Downstream speed = 4.5+1.5 = 6 km/hr

Upstream speed = 4.5 -1.5 = 3 km/hr

Average Speed = (6 X 3) / 4.5 = 4km/hr

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

11 4511
Q:

From a group of 7 boys and 6 girls, five persons are to be selected to form a team, so that at least 3 girls are there in the team. In how many ways can it be done?

A) 427 B) 531
C) 651 D) 714
 
Answer & Explanation Answer: B) 531

Explanation:

Given in the question that, there are 7 boys and 6 girls. 

Team members = 5

Now, required number of ways in which a team of 5 having atleast 3 girls in the team = 

6C3  x 7C2  + 6C4 x 7C1 + 6C5= 6x5x43x2x1 x 7x62x1 + 6x5x4x34x3x2x1 x 7 + 6x5x4x3x25x4x3x2x1= 420 + 105 + 6= 531.

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5 4506
Q:

onsider the argument and decide which of the given assumptions is/are implicit.

Argument

Today is Sunday

Assumption

1. Tomorrow is Monday.
2. Today is a holiday.

 

A) Only assumption 1 follows B) Only assumption 2 follows
C) Neither 1 and 2 follows D) Both 1 and 2 follows
 
Answer & Explanation Answer: A) Only assumption 1 follows

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

0 4503
Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. AB, DEF, HIJK, ?, STUVWX

A) QRSTU B) MNOPQ
C) LMNO D) LMNOP
 
Answer & Explanation Answer: B) MNOPQ

Explanation:

The first letter moves 1 step forward. The letters are in in alphabetical order.

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Filed Under: Number Series

3 4503
Q:

Statements : National Aluminium Company has moved India from a position of shortage to self-sufficiency in the metal.

Conclusions :

a) Previously, India had to import aluminium.
b) With this speed, it can soon become a foreign exchange earner.

A) Only a follows B) Only b follows
C) Neither a nor b follows D) Both a and b follows
 
Answer & Explanation Answer: D) Both a and b follows

Explanation:

According to the statement, National Aluminium Company has moved India from a position of shortage in the past to self-sufficiency in the present. This means that previously, India had to import aluminium. So, I follows. Also, it can be deduced that if production increases at the same rate, India can export it in future. So, II also follows.

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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

1 4499
Q:

In a certain code language, “friend is honest” is written as “hu lip ma”, “honest are men” is written as “lip fi kit” and “men never clever” is written as “fi tigi”. What is the code for “men” in that code language?

A) lip B) fi
C) hu D) ma
 
Answer & Explanation Answer: B) fi

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 4492
Q:

Three athletes can complete one round around a circular field in 16, 24 and 36 min respectively. They start running together at same instant then after how much time they will meet to each other for first time ?

A) 2 hrs 24 min B) 2 hrs 44 min
C) 1 hrs 24 min D) 1 hrs 24 min
 
Answer & Explanation Answer: A) 2 hrs 24 min

Explanation:

Given that three athletes can complete one round around a circular field in 16, 24 and 36 min respectively.

Now, required time after which they met for the first time = LCM of (16, 24 & 36) min

Now, LCM of 16, 24, 36 = 144 minutes = 2 hrs 24 min.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

15 4492
Q:

An amount of $255 was invested at 8.5% p.a. How long will it take, to the nearest year, to earn $86.70 in interest?

A) 2years B) 3years
C) 4years D) 5years
 
Answer & Explanation Answer: C) 4years

Explanation:

T = (100 x I)/ (P x r)

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

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