Aptitude and Reasoning Questions

Q:

On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ?

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

Explanation:

The year 2006 is an ordinary year. So, it has 1 odd day.
So, the day on 24th Nov, 2007 will be 1 day beyond the day on 24th Nov, 2006.
But, 24th Nov, 2007 is Thursday.
24 - 10 = 14 days.
Therefore, 2 weeks ago it is same day.
Thus, 10th Nov, 2006 is one day before 10th Nov, 2007 i.e. it is Wednesday.

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Filed Under: Calendar
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Q:

The ratio of bases of two triangles is x:y and that of their areas is a:b. Then the ratio of their corresponding altitudes wll be

A) ay:bx B) a:b
C) x:y D) bx:ay
 
Answer & Explanation Answer: A) ay:bx

Explanation:

a : b =(1/2 * x * H) : (1/2 * y * h) 

bxH = ayh        => H/h =ay/bx 

Hence H:h = ay:bx

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Filed Under: Area
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Q:

Which of the following statements is/are True?

 

 

A) Only I B) Only II
C) Neither I nor II D) Both I and II
 
Answer & Explanation Answer: B) Only II

Explanation:
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Filed Under: Statement and Conclusions
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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. AZ, GT, MN, ?, YB

A) TS B) SH
C) KF D) RX
 
Answer & Explanation Answer: B) SH

Explanation:

First letter moves 6 steps forward. Second letter moves 6 steps backward.

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Filed Under: Number Series

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Q:

In the following question, select the missing number from the given series.

 

6578, 4381, 2653, ?, 322

 

A) 1322   B) 1653  
C) 1326   D) 1632
 
Answer & Explanation Answer: A) 1322  

Explanation:
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Filed Under: Number Series
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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
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Q:

How much pepsi at Rs.6 a litre is added to 15 litre of 'dew' at Rs. 10 a litre so that the price of the mixture be Rs.9 a litre?

A) 5 B) 8
C) 10 D) None of these
 
Answer & Explanation Answer: A) 5

Explanation:

Let x litre pepsi is required.

 

 

(10-9)=1           :                3=(9-6)

 

Therefore  in 1:3 one part = 5 

 

=>  x= 5 litres

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Filed Under: Alligation or Mixture

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Q:

In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which of the following Venn-diagrams correctly reflects this situation?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

Explanation:

The Given situation can be represented as under:

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Filed Under: Logical Venn Diagram

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