Aptitude and Reasoning Questions

Q:

There were 35 studentsina hostel.Ifthenumber of studentsbe increased by 7, the expenditure on food increases by Rs 42 per day while the average expenditure of studentsis reduced by Rs 1. What was the initial expenditure on food per day?

A) Rs 432 B) Rs 442
C) Rs 420 D) Rs 400
 
Answer & Explanation Answer: C) Rs 420

Explanation:

Let the original avg expenditure be x

Total expenditure = 35x

⇒35x + 42 = (x-1) X 42

⇒35x + 42 = 42x –42

⇒7x = 84

⇒x = 12

So, initial expenditure = 12 X 35 = 420

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Filed Under: Average
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Q:

The sum of the present ages of two cousins is 46 years. Eight years ago, the elder one was twice as old as the younger one. What is the present age of the elder cousin?

A) 22 yrs B) 30 yrs
C) 28 yrs D) 26 yrs
 
Answer & Explanation Answer: C) 28 yrs

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

The sum of all prime numbers between 58 and 68 is

A) 179 B) 178
C) 187 D) 183
 
Answer & Explanation Answer: C) 187

Explanation:
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Filed Under: Problems on Numbers
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Q:

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

A) 27 B) 18
C) 24 D) 21
 
Answer & Explanation Answer: A) 27

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Q is P's sister. R is P's mother. M is Mrs. R's father. How is Q's father related to M?

A) Son B) Grandson
C) Son-in-law D) Brother
 
Answer & Explanation Answer: C) Son-in-law

Explanation:
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Filed Under: Blood Relations
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Q:

A bag has Rs.51.25 in the form of 2-rupee, 50-paise and 25-paise coins in the ratio of 3:5:7. What is the total number of 50-paise coins?

A) 15 B) 35
C) 25 D) 5
 
Answer & Explanation Answer: C) 25

Explanation:
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Filed Under: Ratios and Proportions
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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Perpendicular B) Base
C) Hypotenuse D) Radius
 
Answer & Explanation Answer: D) Radius

Explanation:
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Filed Under: Odd Man Out
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Q:

In two types of brass, the ratios of Copper to Zinc are 8:3 and 15:7 respectively. If the two types of brass be melted and mixed in the ratio 5:2 a new type of brass is obtained. The ratio of Copper to Zinc in this new type of brass is

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

Explanation:
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Filed Under: Alligation or Mixture
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