Aptitude and Reasoning Questions

Q:

If nC10=nC12  then,find n.

A) 10 B) 12
C) 22 D) 24
 
Answer & Explanation Answer: C) 22

Explanation:

Using, Crn=Cn-rn we get 

n – 10 = 12

or, n = 12 + 10 = 22

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Q:

A man invested Rs. 1552 in a stock at 97 to obtain an income of Rs. 128. The dividend from the stock is:

A) 8.5% B) 7.5%
C) 8% D) 9%
 
Answer & Explanation Answer: C) 8%

Explanation:

By investing Rs. 1552, income = Rs. 128.

 

By investing Rs. 97, income =Rs.1281552×97= Rs. 8.

 

Dividend = 8%

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Filed Under: Stocks and Shares

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Q:

How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?

8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

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

Explanation:

We have to find out even number - even number - odd number sequence.

 8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

 There are four such such even numbers: 6,8,2 and 8.

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46 14407
Q:

Proportion of Yuvaraj’s age to Ganguly’s age is 4:3. Yuvaraj willl be 26 years old after 6 years. What is the age of Ganguly now ?

A) 17 years B) 15 years
C) 19 years D) 12 years
 
Answer & Explanation Answer: B) 15 years

Explanation:

Current ages of Yuvaraj = 4A and Ganguly = 3A
So that 4A + 6 = 26
A = 5
Current age of Ganguly = 3A
=> 3 x 5 = 15 years

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Filed Under: Problems on Ages

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Q:

Refer the below data table and answer the following question.

 

What is the ratio of boys to girls?

A) 35 : 34 B) 34 : 35
C) 37 : 36 D) 36 : 37
 
Answer & Explanation Answer: A) 35 : 34

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

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Q:

A cube of edge 15 cm is immersed completely in a rectangular vessel containing water . If the dimensions of the base of vessel are 20 cm x 15 cm, find the rise in water level

 

A) 11.25cm B) 11.56cm
C) 11.66cm D) 10.86cm
 
Answer & Explanation Answer: A) 11.25cm

Explanation:

Increase in volume = Volume of the cube = (15 x 15 x 15) cm3.

 

\Rise in water level = volume/area = (15 x 15 x 15)/(20 x 15) cm = 11.25 cm.

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Q:

Read the statements and answer the question based on it.

 

Statements :

 

1. Some mammals are extinct and some are critically endangered.
2. All dinosaurs are extinct.
3. Some reptiles are critically endangered and some are already extinct.

 

Which option logically follows the given statements ?

 

A) All dinosaurs are mammals B) There are no reptiles that are out of the danger of extinction
C) No dinosaurs are critically endangered D) Some reptiles are dinosaurs who are extinct
 
Answer & Explanation Answer: C) No dinosaurs are critically endangered

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

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Q:

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

1. Simulate

2. Simple

3. Similar

4. Silent

5. Signal

 

A) 12354 B) 54321
C) 52143 D) 24513
 
Answer & Explanation Answer: B) 54321

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

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