Aptitude and Reasoning Questions

Q:

In a mixture of 45 litres, the ratio of liquid A and liquid B is 7 : 2. If 11 litres of liquid B is added to the mixture, then what will be the ratio of liquid A and liquid B in the new mixture?

 

A) 7 : 4 B) 8 : 5
C) 6 : 5   D) 5 : 3
 
Answer & Explanation Answer: D) 5 : 3

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

The standard deviation of the set {10, 11, 12, 9, 8} is

A) 1 B) √2
C) 2 D) 2√2
 
Answer & Explanation Answer: B) √2

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Filed Under: Probability
Exam Prep: Bank Exams

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Q:

In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?

A) 8.5 B) 7.5
C) 5 D) 6
 
Answer & Explanation Answer: B) 7.5

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the missing number from the given responses?

A) 24 B) 32
C) 20 D) 25
 
Answer & Explanation Answer: C) 20

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

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Q:

The average revenues of 13 consecutive years of a company is Rs 70 lakhs. If the average of first 7 years is Rs 65 lakhs and that of last 7 years is Rs 77 lakhs, find the revenue for the 7th year.

A) Rs 86 lakhs B) Rs 84 lakhs
C) Rs 82 lakhs D) Rs 80 lakhs
 
Answer & Explanation Answer: B) Rs 84 lakhs

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Filed Under: Simplification
Exam Prep: Bank Exams

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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: C) 3

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Filed Under: Image Analysis
Exam Prep: Bank Exams

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Q:

If the roots of the equation a(b  c)x2 + b(c  a)x + c(a  b) = 0 are equal, then which of the following is true?

A) b = ( a + c)/ ac B) 2/ b = (1/ a) + (1/ c)
C) 2 b = (1/ a) + (1/ c) D) abc = ab + bc + ca
 
Answer & Explanation Answer: B) 2/ b = (1/ a) + (1/ c)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In triangle PQR, the sides PQ and PR are produced to A and B respectively. The bisectors of ∠AQR and ∠BRQ intersect at point O. If ∠QOR = 50°, then what is the value (in degrees) of ∠QPR?

A) 50 B) 60
C) 80 D) 100
 
Answer & Explanation Answer: C) 80

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

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