Aptitude and Reasoning Questions

Q:

Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?

A) 9 hours B) 6 hours
C) 12 hours D) 18 hours
 
Answer & Explanation Answer: D) 18 hours

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?

A) 3000 B) 1500
C) 1750 D) 2000
 
Answer & Explanation Answer: D) 2000

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Which of the following is correct?

A) (4x - 5y)2 = 16x2 - 20xy + 25y2 B) (4x - 5y)2 = 16x2 + 40xy - 25y2
C) (4x - 5y)2 = 16x2  - 40xy + 25y2 D) (4x - 5y)2  = 16x2 - 20xy - 25y2
 
Answer & Explanation Answer: C) (4x - 5y)2 = 16x2  - 40xy + 25y2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 3a=4b=6c and a+b+c=279 then a2+b2+c2 is equal to

A) 87 B) 39
C) 82 D) 83
 
Answer & Explanation Answer: A) 87

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

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Q:

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., G can be represented by 04, 40, etc., and 'K' can be represented by 56, 75, etc. 

Similarly you have to identify the set for the word 'NILE'.

A) 56, 58, 03, 02 B) 59, 77, 85, 43
C)  56, 62, 03, 02 D)  57, 60, 10, 02 
 
Answer & Explanation Answer: B) 59, 77, 85, 43

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

Veer spends 15% of his monthly income on the house rent and 60% of the rest on household expenditure. If he saves Rs. 2210, what is his monthly income?

A) Rs. 8000 B) Rs. 7000
C) Rs. 7500 D) Rs. 6500
 
Answer & Explanation Answer: D) Rs. 6500

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Filed Under: Percentage
Exam Prep: Bank Exams , CAT

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Q:

An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy?

A) 1600 B) 9800
C) 6400 D) 12800
 
Answer & Explanation Answer: D) 12800

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Raja and Kundan together can build a wall in 20 days, Kundan and Mahesh build the same wall in 30 days and Mahesh and Raja can build the same wall in 24 days. In how many days can all the three complete the same wall while working together?

A) 18 B) 16
C) 20 D) 14
 
Answer & Explanation Answer: B) 16

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Filed Under: Time and Work
Exam Prep: Bank Exams

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