Aptitude and Reasoning Questions

Q:

X, Y and Z can do a piece of work in 30,40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

A) 660/47 B) 640/47
C) 680/47 D) 665/47
 
Answer & Explanation Answer: A) 660/47

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Filed Under: Time and Work
Exam Prep: Bank Exams , CAT

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Q:

A wholesaler sells a good to a retailer at a profit of 5% and the retailer sells it to a customer at a profit of 10%. If the customer pays Rs. 2,000, what had it cost (in Rs) the wholesaler?

A) 1731.6 B) 3210.6
C) 1931.6 D) 2310.6
 
Answer & Explanation Answer: A) 1731.6

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

If the expression px3  qx2  7x  6 is completely divisible by x2  x  6, then what is the value of p and q respectively?

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

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In a mixture, unbroken and broken rice grains are in the ratio 3 : 2. How much fraction of the mixture must be drawn off and substituted with broken grains, so that the ratio of unbroken and broken grains becomes 1 : 1?

 

A) 1/3 B) 1/6
C) 1/4 D) 2/5
 
Answer & Explanation Answer: B) 1/6

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

A carpenter can build a cupboard in 64 hours. After 16 hours he takes a break. What fraction of the cupboard is yet to be built?

A) 0.6 B) 0.75
C) 0.2 D) 0.8
 
Answer & Explanation Answer: B) 0.75

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

If 4 * 2 = 3 and 8 * 4 = 3 , then 21 * 7 = ?

A) 4 B) 3
C) 8 D) 16
 
Answer & Explanation Answer: A) 4

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

In a certain town of population size 1,00,000 three types of newspapers (I, II and III) are available. The percentages of the people in the town who read these papers are as follows:

What is the number of people who do not read any of these three newspapers?

A) 62,000 B) 64,000
C) 66,000 D)  68,000
 
Answer & Explanation Answer: D)  68,000

Explanation:
Number of people who do not read any of these newspaper = total population – number of people who read atleast one of these newspapers.
number of people who read atleast one of these newspapers = 1% + 1% + 3% + 1% + 7% + 19% = 32% of total population = 32000
required number of people = 100000 – 32000 = 68000
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Filed Under: Table Charts
Exam Prep: Bank Exams

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Q:

If 10 people can do a job in 20 days,then 20 people with twice the efficiency can do the same job in

A) 5 days B) 10 days
C) 20 days D) 40 days
 
Answer & Explanation Answer: A) 5 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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