Aptitude and Reasoning Questions

Q:

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

A) 12 B) 60
C) 72 D) 90
 
Answer & Explanation Answer: B) 60

Explanation:

Volume of water displaced = (3 x 2 x 0.01) = 0.06 cu.m. 

Mass of man = Volume of water displaced x Density of water

 = (0.06 x 1000) kg

 = 60 kg.

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Q:

Tushar takes 6 hours to complete a piece of work, while Amar completes the same work in 10 hours. If both of them work together, then what is the time required to complete the work?

 

A)  3 hours B) 3 hours 15 minutes
C) 3 hours 30 minutes D) 3 hours 45 minutes
 
Answer & Explanation Answer: D) 3 hours 45 minutes

Explanation:

Let them take x hours working together

1/x = 1/10 + 1/6 = 8/30

X= 30/8 hours = 15/4 hours = 3 hours 45 minutes

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Filed Under: Time and Work
Exam Prep: Bank Exams

1 3900
Q:

A bus travels 2/5 of a total journey at its usual speed. The remaining distance was covered by bus at 6/7 of its usual speed. Due to slow speed it reaches its destination 50 minutes late. If the total distance is 200 kms, then what is the usual speed (in km/hr) of bus?

A) 20.57 B) 24
C) 28 D) 26.52
 
Answer & Explanation Answer: B) 24

Explanation:
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Filed Under: Time and Distance
Exam Prep: Bank Exams

4 3899
Q:

Which sentence was written correctly?

A) I asked, "What kind of insect is that?" B) I asked what kind of insect is that?
C) I asked, "what kind of insect is that?" D) I asked, "What kind of insect is that"?
 
Answer & Explanation Answer: A) I asked, "What kind of insect is that?"

Explanation:
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Q:

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there ?

A) 205 B) 194
C) 209 D) 159
 
Answer & Explanation Answer: C) 209

Explanation:

We may have (1 boy and 3 girls)or(2boys and 2 girls)or(3 boys and 1 girl)or(4 boys).


Required number of ways = (C16× C34) + C26×C24  + (C36× C14) + (C46)  

= (24+90+80+15) 

= 209.

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

7 3897
Q:

Choose the pair in which the words are differently related?

A) Lizard : Pad B) Short : Long
C) Poor : Rich D) Light : Heavy
 
Answer & Explanation Answer: A) Lizard : Pad

Explanation:

In all other pairs, the two words are antonyms of each other

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Filed Under: Classification

21 3894
Q:

5 + 2 x 10/2 = ?

A) 15 B) 35
C) 10 D) 20
 
Answer & Explanation Answer: A) 15

Explanation:

Using BODMAS Rule,

First solve division, mutiplication and Addition

So here 10/2 = 5

Then 2 x 5 =  10

Now, 5 + 10 = 15.

 

Hence, 5 + 2 x 10/2 = 15.

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

5 3893
Q:

Read the given question and decide which of the following arguments is/are strong.

Are stock markets sources of wealth creation ?

Arguments :

1. Yes, money multiplies in stock markets.
2. No, investments in stock markets are subjected to market risk.

 

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

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

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