Aptitude and Reasoning Questions

Q:

The mean of 20 observations is 19. One more observation is included and the new mean becomes 20. The 21st observation is

A) 20 B) 30
C) 40 D) 42
 
Answer & Explanation Answer: C) 40

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Filed Under: Probability
Exam Prep: Bank Exams

6 1927
Q:

A vendor buys some bananas at the rate of 2 for Re 1 and sells at the rate of 10 for Rs 7. What will be the result?

A) 40 percent loss B) 28.57 percent gain
C) 40 percent gain D) 28.5 percent loss
 
Answer & Explanation Answer: C) 40 percent gain

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

0 1926
Q:

In an equilateral triangle of side 24 cms, a circle is inscribed touching its sides. The area of the remaining portion of the triangle is equal to

A) 36.6 sq. cm B) 54.2 sq. cm
C) 72.8 sq. cm D) 98.5 sq. cm
 
Answer & Explanation Answer: D) 98.5 sq. cm

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Filed Under: Area
Exam Prep: Bank Exams

1 1926
Q:

Identify the diagram that best represents the relationship among the given classes.
Country, State, City

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

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

1 1926
Q:

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

9 - 18 + 35 x 10 ÷ 30 = ?

A) 44 B) 42
C) 40 D) 41
 
Answer & Explanation Answer: B) 42

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 1926
Q:

If cosec2 θ = 625/576, then what is the value of [(sin θ – cos θ)/(sin θ + cos θ)]?

A) 1 B) 31/17
C) 17/31 D) 14/25
 
Answer & Explanation Answer: C) 17/31

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1925
Q:

If a--b = 4 and ab = 45, find the value of a3 - b3

A) 604 B) 370
C) 253 D) 199
 
Answer & Explanation Answer: A) 604

Explanation:

(a  b)2 = a2 + b2 -2ab  16 = a2 + b2  90  a2 + b2 = 106 a3  b3 = (a  b) (a2 + b2 + ab)  a3  b3 = 4 X (106 + 45)  a3  b3 = 4 X 151  a3  b3 = 604

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1925
Q:

If in a certain code, GREEN is written as ITGGP, then how will OINK be written as in the same code?

A) TUMJ B) KLON
C) RKQS D) RKPM
 
Answer & Explanation Answer: D) RKPM

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 1924