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#6201 2019-01-17 00:53:04

Jai Ganesh
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Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4332. The Cost Price of an article is $1700. If it was sold at a price of $2006, what was the profit percentage on the transaction?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6202 2019-01-18 00:12:27

Jai Ganesh
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Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4333. K sold an item for $6500 and incurred a loss of 20%. At what price should he have sold the item to have gained a profit of 20%?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6203 2019-01-19 00:49:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4334. Find the rate of successive discounts of 10% and then 20%.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6204 2019-01-20 00:39:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4335. The speed of a boat when traveling downstream is 32 kilometers per hour whereas when traveling upstream is 28 kilometers per hour. What is the speed of the boat in still water?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6205 2019-01-21 00:35:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4336. The average speed of a train is 3 times the average speed of a car. The car covers a distance of 520 kilometers in 8 hours. How much distance will the train cover in 13 hours?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6206 2019-01-22 00:34:54

Jai Ganesh
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Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4337. A truck covers a certain distance in 12 hours at the speed of 70 kilometers per hour. What is the average speed of a car which travels a distance of 120 kilometers more than the truck in the same time?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6207 2019-01-23 00:21:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4338. A 420 meter long train crosses a pole in 70 seconds. What is the speed of the train in meters per second?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6208 2019-01-24 00:27:19

Jai Ganesh
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Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4339. A truck covers a distance of 256 kilometers at the speed of 32 kilometers per hour. What is the average speed of a car which travels a distance of 160 kilometers more than the truck in the same time?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6209 2019-01-25 00:27:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4340. A truck covers a distance of 330 kilometers at the speed of 30 kilometers per hour. What is the average speed of a car which travels a distance of 110 kilometers more than the truck in the same time?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6210 2019-01-26 00:08:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4341. Aaron walks 2.31 kilometers in three weeks by walking an equal distance each day. How many meters does he walk each day?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6211 2019-01-27 00:50:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4342. A truck covers a distance of 640 kilometers in 10 hours. A car covers the same distance in 8 hours. What is the ratio of the speed of the truck and that of the car?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6212 2019-01-28 00:32:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4343. A truck covers a distance of 360 kilometers in 8 hours. A car covers the same distance in 6 hours. What is the respective ratio of the speed of the truck and that of the car?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6213 2019-01-29 00:39:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4344. Paul walks 226 meters everyday. How many kilometers will he walk in five weeks?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6214 2019-01-30 00:30:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4345. A 240 meter long train crosses a platform twice its length in 2 minutes. What is the speed of the train in meters per second?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6215 2019-01-30 22:32:10

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4346. A wheel of amotorbike has radius 35 centimeters. How many revolutions per minute must the wheel make such that the speed of the bike is 33 kilometers per hour? Use

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6216 2019-02-01 00:41:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4347. A man riding a bicycle completes one lap of a circular field along its circumference at the speed of 14.4 kilometers per hour in 1 minute 28 seconds. What is the area of the field?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6217 2019-02-02 01:05:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4348. A car covers a certain distance in 3 hours at the speed of 124 kilometers per hour. What is the average speed of a truck which travels a distance of 120 kilometers less than the car in the same time?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6218 2019-02-03 00:48:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4349. A 210 meter long train takes 6 seconds to cross a man running at 9 kilometers per hour in a direction opposite to that of the train. What is the speed of the train in kilometers per hour?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6219 2019-02-04 00:56:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4350. A farmer traveled a distance of 61 kilometers in 9 hours. He traveled partly on foot at the rate of 4 kilometers per hour and partly on bicycle at the rate of 9 kilometers per hour. Find the distance traveled on foot.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6220 2019-02-05 00:51:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4351. Walking at the rate of 4 kilometers per hour a man covers a certain distance in 2 hours 45 minutes. Running at a speed of 16.5 kilometers per hour, the man well cover the same distance in how many minutes?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6221 2019-02-06 00:09:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4352. A train runs at an average speed of 75 kilometers per hour. If the distance to be covered is 1050 kilometers, how long will the train take to cover it?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6222 2019-02-07 00:15:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4353. Michelle walks 3.36 kilometers in four weeks by walking an equal distance each day. How many meters does she walk each day?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6223 2019-02-08 00:20:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

#4354. There are 9 red, 7 white, and 4 black balls in an urn. Tho balls are drawn at random from the urn. What is the probability of both balls being red?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6224 2019-02-09 00:52:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4355. There are 9 red, 7 white, and 4 black balls in an urn. If two balls are selected at random, what is the probability of one ball being white and the other ball being red?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#6225 2019-02-10 00:37:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,839

Re: Oral puzzles

Hi,

.

#4356. A man rows 25 kilometers downstream and 20 kilometers upstream taking 5 hours each time. What is the velocity of the current?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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