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#376 2007-12-10 18:34:54
- Jai Ganesh
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Re: 10 second questions
#319. What are the common factors of 111, 222, 333, 444, 555, 666, 777, 888, 999 apart from 1 and 3?
#320. How many digits does 100! roughly contain? (Answer +10 or -10 digits is acceptable)
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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#377 2007-12-11 17:15:09
- Jai Ganesh
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Re: 10 second questions
#321. What is 1/10 + 2/10 + 3/10 + ......10/10?
#322. How many kilometers per hour is 36 meters/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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#378 2007-12-11 22:40:00
- JohnnyReinB
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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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#379 2007-12-11 22:42:43
- Jai Ganesh
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Re: 10 second questions
Excellent, JohnnyReinB,
your answers to #321 and #322 are correct!
But #319 has another part of the answer!
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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#380 2007-12-11 22:45:14
- Jai Ganesh
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Re: 10 second questions
#323. What is the fraction 115/138 in its simplest form?
#324. Two numbers are in the ratio 3:5. If the sum of numbers is 248, what are the 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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#381 2007-12-11 23:30:34
- JohnnyReinB
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- 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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#382 2007-12-11 23:35:16
- Jai Ganesh
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Re: 10 second questions
Absolutely right, JohnnyReinB! Well done!!!
#325. What is 100 degrees Centigrade in Fahrenheit?
#326. How many digits would a million raised to the power of a million contain?
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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#383 2007-12-11 23:39:09
- JohnnyReinB
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- 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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#384 2007-12-11 23:41:37
- Jai Ganesh
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Re: 10 second questions
Solution to #325 is correct! Well done again, 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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#385 2007-12-11 23:47:36
- Jai Ganesh
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Re: 10 second questions
#326. What least value should be given to * so that the number 591*26 is divisible by 9?
#327. What least value should be given to * so that the number 6342*1 is divisible by 3?
#328. Which of the following is a prime number?
a. 239 b.289 c.301 d.203
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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#386 2007-12-11 23:57:46
- JohnnyReinB
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- 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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#387 2007-12-12 01:16:09
- TheDude
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- Registered: 2007-10-23
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Re: 10 second questions
Last edited by TheDude (2007-12-12 02:04:10)
Wrap it in bacon
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#388 2007-12-12 02:02:14
- Kurre
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- Registered: 2006-07-18
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Re: 10 second questions
Last edited by Kurre (2007-12-12 02:02:34)
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#389 2007-12-12 02:06:04
- Jai Ganesh
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Re: 10 second questions
Excellent, Kurre! Very well done!!!
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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#390 2007-12-12 17:56:05
- Jai Ganesh
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Re: 10 second questions
Very well done, JohnnyReinB and TheDude!!!
Your answers are all correct,
TheDude: 100! contains many more than 100 digits!
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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#391 2007-12-12 17:59:34
- Jai Ganesh
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Re: 10 second questions
#329. What is the value of Sin 270° ?
#330. How many light years approximately is a Parsec?
#331. Roughly how many times the moon is earth in volume?
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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#392 2007-12-12 18:04:44
- Jai Ganesh
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Re: 10 second questions
#332. What is 1² + 2² + 3² + ......... 25²?
#333. What is 11³+12³+13³+14³+....19³+20³?
#334. Which is the only number that is perimter and area of the same square?
#335. Which is the only number other than zero and one whose sum of the digits is its square root?
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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#393 2007-12-12 21:01:04
- Jai Ganesh
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Re: 10 second questions
#336. If 2x-y=4 then 6x-3y=?
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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#394 2007-12-13 18:06:11
- Jai Ganesh
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Re: 10 second questions
#337. Which of these is the gratest fraction?
1/3, 7/17, 8/23, 11/26
#338. What is 0.78787878..... represented as a fraction?
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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#395 2007-12-13 18:35:09
- Jai Ganesh
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Re: 10 second questions
#339. In a class composed of x girls and y boys what part of the class is composed of girls?
#340. There are 200 questions on a 3 hr examination.Among these questions are 50 mathematics problems.It is suggested that twice as much time be spent on each maths problem as for each other question.How many minutes should be spent on mathematics problems?
#341. In a group of 15,7 have studied Latin, 8 have studied Greek, and 3 have not studied either. How many of these studied both Latin and Greek?
#342. If a and b are positive integers and (a-b)/3.5 = 4/7, then which of these is true?
(A) b < a
(B) b > a
(C) b = a
(D) b >= a
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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#396 2007-12-13 18:59:56
- Jai Ganesh
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Re: 10 second questions
#343. There is a square of side 6cm . A circle is inscribed inside the square. Find the ratio of the area of circle to square.
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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#397 2007-12-14 02:51:06
- TheDude
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- Registered: 2007-10-23
- Posts: 361
Re: 10 second questions
Wrap it in bacon
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#398 2007-12-15 17:30:34
- Jai Ganesh
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- Registered: 2005-06-28
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Re: 10 second questions
Excellent, TheDude!!!
All the solutions you posted are correct!!!
Keep up the good work!!!
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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#399 2007-12-15 17:33:59
- Jai Ganesh
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Re: 10 second questions
#344. In the first test of the semester, Kiran scored 60%. In the last test of the semester, Kiran scored 75% By what percent did Kiran's score improve?
#345. Randy's chain of used car dealership sold 16,400 cars in 1998. If the chain sold 15,744 cars in 1999, by what percent did the number of cars sold decrease?
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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#400 2007-12-15 18:48:01
- Jai Ganesh
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Re: 10 second questions
#346. The angles of a quadrilateral are in the ratio 2:3:4:6. Find the smallest angle in the quadrilateral.
#347. In a kite, the angles intersect at _______________________.
#348.In a rhobus, the diagonals bisect each other at _____________________.
#349. Find the area of a rhombus whose diagonals are d1 and d2 units.
#350. The cross-section of a canal is in the form of a trapezium. If the top of the canal is 12m wide and the bottom is 8m; its area of cross-section is 40m². Find its depth.
#351. The perimeter of a trapezium is 152 meters. Its non-parallel sides are 18meters and 24 meters and its altitude is 12 meters. Find the area of the trapezium.
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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