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#626 2008-05-20 21:51:43
- JohnnyReinB
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- Registered: 2007-10-08
- Posts: 453
Re: 10 second questions
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted" 
Nisi Quam Primum, Nequequam
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#627 2008-05-20 21:56:05
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answers to #679 and #680:
#679 : Please check your answer gain, JohnnyReinB!
#680 : You are correct! Good!
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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#628 2008-05-20 22:21:26
- Jai Ganesh
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- Posts: 48,418
Re: 10 second questions
#687. I am facing west. I turn 45° in the clockwise
direction and then 180° in same direction and then
270° anticlockwise. Which direction am I facing now?
#688. A class consists of 100 students, 25 of
them are girls and 75 boys; 20 of them are rich and
remaining poor; 40 of them are fair complexioned.
What is the probability of selecting a fair complexioned rich
girl?
#689. In an examination, there were 2000 candidates,
out of which 900 candidates were boys and
rest were girls. If 32% of the boys and 38% of the girls
passed, then what is the total percentage of failed candidates?
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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#629 2008-05-21 11:39:55
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
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#630 2008-05-21 18:28:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #685
Correct, JaneFairfax! Very good!
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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#631 2008-05-21 19:07:36
- JohnnyReinB
- Member
- Registered: 2007-10-08
- Posts: 453
Re: 10 second questions
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted"
Nisi Quam Primum, Nequequam
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#632 2008-05-21 20:38:21
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #687:
Your answer isn't clear, JohnnyReinB!
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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#633 2008-05-21 22:05:41
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#690. The mean of 100 items was found to be 30. If at the
time of calculation, two items were wrongly taken as 32 and 12 instead of 23 and 11. Find the correct mean.
#691. A hall is 20 meter long and 16 meter wide. The area
its four walls equals area of the floor and ceiling together.
Find the height of the hall.
#692. An Engineer has been appointed for 30 days on the
condition that he will get $74 per day as engineering charges if he works but he will have to pay a penalty of $1 per day, if he remains absent. At the end of the month, he receives $1845 as engineering charges. For how many days did he remain absent?
#693. A man can row in still water at a speed of 9 km/hr.
The time taken by him to cover a certain distance rowing
against the current is thrice the time to cover the same
distance rowing in the direction of the current. Find the
speed of the current in km/hr.
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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#634 2008-05-21 22:37:25
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#694, The radius and the height of a cylinder are in the
ratio of 5 : 7. Its volume is 550 cm3. Find its radius.
#695. Two men or 3 boys could harvest a field in 7 days.
How long would one man and two boys take to harvest the same 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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#635 2008-05-22 01:07:17
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Last edited by JaneFairfax (2008-05-22 01:08:56)
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#636 2008-05-22 02:51:30
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #690:
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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#637 2008-05-22 03:19:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#696. At present. the population of the city is 9261000. If it has been increasing at 5% per annum, find its population three years ago.
#697. Two aeroplanes start from a city and fly in opposite
directions, one averaging a speed of 40 km/hr greater than
the other. If they are 3400 km apart after five hours, find
their average speeds.
#698. Spinning 3 hours daily, Kanta can spin 2 kg cotton
balls in 12 days. Spinning 4 hours daily how many days will
she take to spin 10 kg cotton balls?
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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#638 2008-05-22 03:33:56
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
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#639 2008-05-22 05:41:15
- TheDude
- Member
- Registered: 2007-10-23
- Posts: 361
Re: 10 second questions
Wrap it in bacon
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#640 2008-05-22 20:56:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #695:-
You are correct! Well done, JaneFairfax!!!
Answers to #679, #681, #682, #683, #684, #686, #687, #688, and #689:
All correct! Very well done, TheDude!
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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#641 2008-05-22 21:05:34
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
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#642 2008-05-22 21:46:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #696:-
You are correct! Well done, JaneFairfax!
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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#643 2008-05-22 23:05:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#699. The sum of length, width and depth of a cuboid is 19 cm and the length of its diagonal is 11 cm. Find the
surface area of the cuboid.
#700. In how many years will a sum of money double itself at 18.75% per annum simple interest?
#701. When two trains were running in the opposite directions at 40 km/hr and 30 km/hr respectively, the faster
train went past a man in the slow train in 18 seconds. Find the length of the fast train.
#702. 120 men had food provisions for 200 days. After 5 days, 30 men died due to an epidemic. How long will be
remaining food last?
#703. Find the sum of first 40 terms of an Arithmetic Progression whose second and third terms are 12 and 17 respectively.
#704. Find the sum of all 2 digit natural numbers.
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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#644 2008-05-23 03:22:57
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Last edited by JaneFairfax (2008-05-24 00:14:36)
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#645 2008-05-23 03:26:29
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #699:
JaneFairfax, why do you make trivial and avoidable mistakes? Please check yor answer again.
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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#646 2008-05-23 04:18:26
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Ive edited my answer.
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#647 2008-05-23 09:14:07
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: 10 second questions
igloo myrtilles fourmis
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#648 2008-05-23 23:07:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Answer to #699:
Very good, JaneFairfax!
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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#649 2008-05-24 02:37:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#705. A race boat covers a distance of 72 kilometers downstream in 2 hours and covers the same distance upstream in 3 hours. What is the speed of the race boat in still water?
#706. The sides (other than the hypotenuse) of a right triangle are in the ratio 5:12. A rectangle is formed with the hypotenuse of the triangle as the longer side. The breadth of the rectangle is 8/13 of the length. Find the shortest side of the right triangle if the perimeter of the rectangle is 84 centimeters.
#707. By selling a car for $1104, Neil loses 8%. At what price should he sell the car in order to make a profit of 10%?
#708. By selling 55 candles, a person gains an amount equal to the selling price of 11 candles. Find the profit percent in 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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#650 2008-05-24 03:09:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
#709. The marked price of a car is #3224. If the shopkeeper allows a discount of 12½% on the marked price, what is his selling price?
#710. If 10 men can plough 5 acres of land in 6 days working 5 hours a day, in how many days will 6 men plough 4 acres of land working 4 hours a 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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