Aptitude and Reasoning Questions

Q:

Two pipes A and B can separately fill a cistern in 60 min and 75 min respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 min. In how much time, the third pipe alone can empty the cistern ?

A) 85 min B) 95 min
C) 105 min D) 100 min
 
Answer & Explanation Answer: D) 100 min

Explanation:

Work done by the third pipe in 1 min = 1/50 - (1/60 + 1/75) = - 1/100.
[-ve sign means emptying]

The third pipe alone can empty the cistern in 100 min.

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Filed Under: Pipes and Cistern
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Q:

Identify the figure that completes the pattern.

     (X)                 (1)             (2)              (3)             (4)

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

Explanation:

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Filed Under: Pattern Completion

11 8413
Q:

Find the odd one out of the group ?

A) 708 B) 392
C) 618 D) 816
 
Answer & Explanation Answer: B) 392

Explanation:

The sum of the digits in 708, 618 and 816 is 15, but not in 392.

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Filed Under: Odd Man Out
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8 8412
Q:

The average age of a couple was 26 years at the time of marriage. After 11 years of marriage, the average age of the family with 3 children become 19 years. The average age of the children is

Answer

The average age of a couple = 26 years.


Total age of couples = 26 x 2 = 52 years


 Total age of couple after 11 years = (52 + 2 * 11 ) = 74 years


Suppose average age of 3 children after 11 years is 3x years.



The average age of children is 7 years.

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Subject: Problems on Ages

10 8412
Q:

Ramu rides his bike at an average speed of 45 km/hr and reaches his desitination in four hours. Somu covers the same distance in six hours. If Ramu covered his journey at an average speed which was 9 km/hr less and Somu covered his journey at an average speed which was 10 km/hr more, then the difference in their times taken to reach the destination would be (in minutes).

A) 18 min B) 30 min
C) 27 min D) 32 min
 
Answer & Explanation Answer: B) 30 min

Explanation:

Distance travelled by Ramu = 45 x 4 = 180 km

Somu travelled the same distance in 6 hours.

His speed = 180/6 = 30 km/hr

Hence in the conditional case, Ramu's speed = 45 - 9 = 36 km/hr and Somu's speed = 30 + 10 = 40km/hr.

Therefore travel time of Ramu and Somu would be 5 hours and 4.5 hours respectively.

Hence difference in the time taken = 0.5 hours = 30 minutes.

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Filed Under: Time and Distance
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6 8405
Q:

Answer the questions based on the following bar chart

 

The following bar chart shows the trends of mutual funds investments into India from all over the world.

 

 

What was absolute difference in the mutual funds investments to India in between 1996 and 1997?

 

A) 7.29 B) 7.13
C) 8.13 D) 7.77
 
Answer & Explanation Answer: B) 7.13

Explanation:
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Filed Under: Bar Charts
Exam Prep: Bank Exams

0 8401
Q:

In a year, Holi was enjoyed on 6th March 9 AM and Deepawali was celebrated on 11th November 8 PM. The total time interval (in hours) between the two was ?

A) 2101 hrs B) 4125 hrs
C) 5124 hrs D) 6011 hrs
 
Answer & Explanation Answer: D) 6011 hrs

Explanation:

From March 6th to November 11th,
there are 250 days and
Thus 250 x 24 hours
So from Mar 6th 9AM to Nov 11th 8PM, there will be 250 x 24 + 11 hours = 6011 hrs.

 

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Filed Under: Calendar
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27 8400
Q:

The calendar of year 1856 is same as which year?

A) 1883 B) 1884
C) 1864 D) 1880
 
Answer & Explanation Answer: B) 1884

Explanation:

Given year 1856, when divided by 4 leaves a remainder of 0.

NOTE: When remainder is 0, 28 is added to the given year to get the result.

So, 1856 + 28 = 1884

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Filed Under: Calendar

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