Aptitude and Reasoning Questions

Q:

Average age of 5 students of a school is 14 years. The average age of students and their Mathematics and science teachers is 30 years. If the age of science teacher is 6 years more than the age of Mathematics teacher, then what is the age (in years) of Mathematics teacher?

 

 

A) 67   B) 68  
C) 56   D) 74
 
Answer & Explanation Answer: A) 67  

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Filed Under: Problems on Ages
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Q:

Consider the given statements to be true and decide which of the conclusions logically follows from the given statements.

 

Statement :

 

All fruits are trees. Some trees are birds.

 

Conclusions :

 

1. Some birds are trees.

2. Some trees are fruits.

 

A) Only conclusion 1 follows B) Either conclusion 1 or 2 follows
C) Both conclusions 1 and 2 follow D) Only conclusion 2 follows
 
Answer & Explanation Answer: C) Both conclusions 1 and 2 follow

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Filed Under: Statement and Conclusions
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Q:

What is the value of (tan60 - 1/3) ?

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

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Filed Under: Simplification
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Q:

What is the equation of the line which has 3/2 and -­4/7 as x and y intercept respectively?

A) 8x ­- 21y = ­-12 B) 8x + 21y = 14
C) 8x -­ 21y = 12 D) 8x + 21y = ­-14
 
Answer & Explanation Answer: C) 8x -­ 21y = 12

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Filed Under: Simplification
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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

x_za_yza_xy_aa_

 

A) yxaza B) yxaxa
C) xyazz D) yxazz
 
Answer & Explanation Answer: A) yxaza

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Q:

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

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

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Filed Under: Image Analysis
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Q:

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

A) 42 B) 21
C) 84 D) 63
 
Answer & Explanation Answer: A) 42

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Filed Under: Volume and Surface Area
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Q:

In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is

A) 10 cm B) 12 cm
C) 13 cm D) 15 cm
 
Answer & Explanation Answer: C) 13 cm

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Filed Under: Volume and Surface Area
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