# Samsung Placement: Sample Questions 11 - 12 of 15

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## Question 11

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If the distance between two trains is 110 kms and two trains travel opposite in direction. If one starts at 7am and other at 8am and their velocities are 20 and 25 kmph then when they will meet?

### Explanation

• Distance between both the trains is 110 km.
• Speed of first train is s1 = 20 kmph
• Speed of second train is s2 = 25 kmph
• Let both the trains meet after x hours after 7am i.e.. first train will take x hours and second train will take x - 1 hours.

• After 3 hours from 7 am i.e.. at 10 am both trains will meet.

## Question 12

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Age of captain 25 and wicket keeper՚s Age 3 years more than captain՚s age. Now the average of the remaining team is one less than the average of whole team. What is the average age of each remaining player?

### Explanation

• Age of caption is 25 years.
• Age of wicket keeper is 3 more than caption՚s age i.e.. 28 years.
• In a cricket team there are total 11 players. Excluding caption and wicket keeper there will be 9 players.
• Let the average age of whole team of 11 players be x.
• Let the average age of remaining of 9 players be x - 1.

So,

• x = 11 is the average age of whole team.
• x - 1 = 10 is the average age of each remaining player.

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