Aptitude and Reasoning Questions

Q:

A solid cone of height 24 cm and radius of its base 8 cm is melted to form a solid cylinder of radius 6 cm and height 6 cm. In the whole process what
percent of material is wasted?

A) 48.5 B) 37.5
C) 57.8 D) 64
 
Answer & Explanation Answer: C) 57.8

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Two students appeared for an examination. One of them secured 21 marks more than the other and his marks were 80% of the sum of their marks. The marks obtained by them are

A) 88 and 67 B) 89 and 68
C) 28 and 7 D) 98 and 77
 
Answer & Explanation Answer: C) 28 and 7

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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

An engineering student has to secure 25% marks to pass. He gets 47 and fails by 43 marks. What are the maximum marks of the examination?

A) 385 marks B) 410 marks
C) 360 marks D) 435 marks
 
Answer & Explanation Answer: C) 360 marks

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The point Q(a,b) is first reflected in y­axis to Q1 and Q1 is reflected in x­axis to (­6,2). The co­ordinates of point Q are

A) (-­6,­2) B) (2,­-6)
C) (6,­-2) D) (­-2,6)
 
Answer & Explanation Answer: C) (6,­-2)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a shopkeeper sells an item at Rs 4200 which is marked as Rs 4800, then what is the discount (in %) that he is offering?

A) 12.5 B) 14.28
C) 10 D) 15
 
Answer & Explanation Answer: A) 12.5

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If x2+1x2 = 2, then the value of x - 1x is

A) -2 B) 0
C) 1 D) -1
 
Answer & Explanation Answer: B) 0

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

56 ÷ 8 + 12 - 72 = ?

A) 32 B) 88
C) 44 D) 82
 
Answer & Explanation Answer: A) 32

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the calss?

A) 21 B) 20
C) 22 D) 19
 
Answer & Explanation Answer: B) 20

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Filed Under: Average
Exam Prep: Bank Exams

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