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#6226 2019-02-11 00:55:43

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4357. Two trains of lengths 110 meters and 90 meters are running on parallel lines in the same direction with a speed of 45 kilometers per hour and 50 kilometers per hour respectively. In what time will they pass each other? (in seconds)


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6227 2019-02-12 00:47:57

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4358. A person can row upstream 8 kilometers per hour and downstream 12 kilometers per hour. What is the speed of the stream?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6228 2019-02-12 17:38:40

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,334

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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#6229 2019-02-13 00:55:25

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4359. Gerard, Steve, and Oliver start running around a circular stadium and complete one round in 14 seconds, 8 seconds, and 15 seconds respectively. In how much time will they meet again at the starting point?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6230 2019-02-13 17:29:41

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,334

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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#6231 2019-02-13 21:42:55

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

The solution #4359 is correct. Neat work, Monox D. I-Fly!

#4360. A train travels at the speed of 40 kilometers per hour and another train at a speed of 20 meters per second. What is the ratio of the speed of the first train and that of the second train?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6232 2019-02-14 14:44:16

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,334

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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#6233 2019-02-14 16:51:30

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

.

The solution #4360 is correct. Marvelous, Monox D. I-Fly!

#4361. A car travels a distance of 560 kilometers in 9.5 hours partly at 40 kilometers per hour and partly at 160 kilometers per hour. What is the distance it travels at the speed of 160 kilometers per hour?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6234 2019-02-16 00:42:52

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4362. A 320 meter long train crosses a pole in 16 seconds. It stops five times of duration 18 minutes each. What time will it take in covering a distance of 576 kilometers?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6235 Yesterday 01:00:47

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4363. An inspector is 228 meters behind the thief. The inspector runs 42 meters and the thief runs 30 meters in a minute. In what time will the inspector catch the thief?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#6236 Today 00:42:47

ganesh
Administrator
Registered: 2005-06-28
Posts: 26,826

Re: Oral puzzles

Hi,

#4364. A man riding a bicycle completes one lap of a square field along its perimeter at the speed of 43.2 kilometers per hour in 1 minute 20 seconds. What is the Area of the field?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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