Aptitude and Reasoning Questions

Q:

Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk?

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

Explanation:

% of milk in first bottle = 64%

% of milk in second bottle = 100 - 26 = 74%

Now, ATQ

 

64%            74%
         

         68%

 

6                    4

 

Hence, by using allegation method,

 

Required ratio = 3 : 2

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Filed Under: Alligation or Mixture
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Q:

If two fractions, each of which has a value between 0 and 1, are multiplied together, the product will be :

A) always greater than either of the original fractions B) always less than either of the original fractions
C) sometimes greater and sometimes less than either of the original fractions D) remains the same
 
Answer & Explanation Answer: B) always less than either of the original fractions

Explanation:

We can easily Answer this by taking some values.

 

The question states that the two fractions, each have values between 0 and 1.

Let us say one of the fraction is 1/2 and the other fraction is 1/3 .

The product of the two fractions is 1/2 x 1/3 = 1/6 .
 is lesser than both 1/2  and 1/3 .

So, the correct answer is that the product is always less than either of the original fractions

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Filed Under: Decimal Fractions
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12 7131
Q:

Which of the following fractions is the least of all?

 

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

Explanation:
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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

The dates 3rd April, 2005; 6th August, 2010 and 5th December, 2013 when written in Date-Month-Year Form have a unique mathematical property. The Indian Independence Day of which year among the following has the same property?

A) 2017 B) 2016
C) 2018 D) 2015
 
Answer & Explanation Answer: A) 2017

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

51 7128
Q:

It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?

A) Sunday B) Saturday
C) Friday D) Wednesday
 
Answer & Explanation Answer: C) Friday

Explanation:

On 31st December, 2005 it was Saturday.

Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days.

therfore, on 31st December 2009, it was Thursday.

Thus, on 1st Jan, 2010 it is Friday

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Filed Under: Calendar

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Q:

A certain job was assigned to a group of women to do it in 20 days. But 12 women did not turn up for the job and the remaining did the job in 32 days. The original number of women in the group was?

A) 36 B) 32
C) 22 D) 28
 
Answer & Explanation Answer: B) 32

Explanation:

Let the total women in the group be 'W'

Then according to the given data,

 W x 20 = (W-12) x 32

 => W = 32 

Therefore, the total number of women in the group = 32

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Filed Under: Time and Work
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Q:

Ronika deposited Rs.7000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much ?

A) 9850 B) 9500
C) 9620 D) 9760
 
Answer & Explanation Answer: C) 9620

Explanation:

As the interest rate increases by 2%
=> (7000x3x2)/100 = 420
                                   9200
                                  --------
                                   9620

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Filed Under: Simple Interest
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Q:

Penology : Punishment :: Seismology : ?

A) Medicine B) Earthquakes
C) Law D) Liver
 
Answer & Explanation Answer: B) Earthquakes

Explanation:

Penology is the study of punishment. Similarly, Seismology is the study of Earthquakes.

 

Hence, Penology : Punishment :: Seismology : Eartquakes.

 

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Filed Under: Analogy
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