Aptitude Practice Question and Answer

Q:

A train moves at a speed of 35 km/h for the first 2 hours and at a speed of 50 km/h for the next 4 hours. Find the average speed of the train during the entire journey.

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  • 1
    47 km/h
    Correct
    Wrong
  • 2
    50 km/h
    Correct
    Wrong
  • 3
    45 km/h
    Correct
    Wrong
  • 4
    35 km/h
    Correct
    Wrong
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Answer : 3. "45 km/h"

Q:

A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by

1155 0

  • 1
    11
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "11"
Explanation :

Let the number be 10x + y

After interchanging the digits,

the number obtained = 10y + x

According to the question,

Resulting number

= 10x + y + 10y + x

= 11x + 11y

= 11 (x + y)

which is exactly divisible by 11.

Q:

A boat starts travelling from point P, travels to point Q then returns to point P. The boat takes 12 hours to complete the journey. The speed of the stream is 5 km/hour and the speed of the boat in still water is 10 km/hour. What is the distance between P and Q?

1155 0

  • 1
    45
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
  • 5
    60
    Correct
    Wrong
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Answer : 1. "45"

Q:

 A retailer purchase 40 pens at the cost price of 36 pens from a wholeseller . If he sells all of them at a discount of 1 %, then what is his profit percent? 

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  • 1
    10 %
    Correct
    Wrong
  • 2
    9 %
    Correct
    Wrong
  • 3
    $$ {10{1\over 9}}{\%}$$
    Correct
    Wrong
  • 4
    $$ {7{7\over 9}}{\%}$$
    Correct
    Wrong
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Answer : 1. "10 %"

Q:

The present age of A and B are in the ratio 5: 4. After 10 years the ratio becomes 7: 6. Find the present age of A.

1155 0

  • 1
    15
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25"

Q:

PAB and PCD are two secants to a circle . If PA 10 cm , AB = 12 cm and PC = 11 cm , then what is the value ( in cm ) of PD ?

1154 0

  • 1
    18
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "20 "

Q:

Direction: The following table shows the number of students of 7 colleges A, B, C, D, E, F, G participating in extra-curricular activities :

Percentage of the number of students in activity II to that of IV is ?

1154 0

  • 1
    37
    Correct
    Wrong
  • 2
    42
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 4. "50"

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