Aptitude and Reasoning Questions

Q:

Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs.33, then what could be the percentage of profit or loss?

A) 10% Profit B) 15% Profit
C) 12% Loss D) 18% Loss
 
Answer & Explanation Answer: A) 10% Profit

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Filed Under: Profit and Loss
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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:

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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Q:

Consider the given statements to be true and decide which of the conclusions logically follow(s) from the statements.

 

Statements :

 

Students passing from premier institutions such as IIM, IIT and IISC get placed in foreign countries and receive more salary than they received in India.

 

Conclusions :

 

1. Companies in India should pay the same salary as companies in foreign countries.

2. Students from these institutions should be barred from going to foreign countries.

 

A) Only conclusion 1 follow B) Neither 1 nor 2 follows
C) Both 1 and 2 follow D) Only conclusion 2 follow
 
Answer & Explanation Answer: B) Neither 1 nor 2 follows

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Filed Under: Statement and Conclusions
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Q:

From the top of a building, the angles of elevation and depression of top and bottom of a tower are 60 deg and 30 deg respectively. If the height of the building is 5m, then the height of the tower is

A) 20 m B) 15 m
C) 10√3 m D) 5√3 m
 
Answer & Explanation Answer: A) 20 m

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Filed Under: Height and Distance
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Q:

Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?

 

 

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

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Filed Under: Cubes and Dice
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Q:

For real a, b and c if a2 + b2 + c2 = ab + bc + ca, then find the value of a+b+c2.

A) 9a2 B) 81a2
C) 27a2 D) 243a2
 
Answer & Explanation Answer: A) 9a2

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Filed Under: Simplification
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Q:

ΔABC is right angled at B. If m∠A = 60 deg, then find the value of (secC + 2)

A) (2+2√3)/√2 B) 4/3
C) (2+2√3)/√3 D) 4/√3
 
Answer & Explanation Answer: C) (2+2√3)/√3

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Filed Under: Volume and Surface Area
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