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#6426 2019-06-26 01:01:09
- Jai Ganesh
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Re: Oral puzzles
Hi,
.
#4516. Evaluate:
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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#6427 2019-06-27 00:21:52
- Jai Ganesh
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- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4517. What amount a man would have received on a principal of $4000 after two years simple interest at 5% per annum?
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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#6428 2019-06-28 00:45:07
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4518. Find the greatest number among
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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#6429 2019-06-30 01:08:51
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4519. Find 93% of 456.
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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#6430 2019-07-02 00:56:33
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4520. A and B can do a work in 12 days; B and C in 15 days; and C and A is 20 days. If A, B, and C work together, they will do it in how many days?
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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#6431 2019-07-04 01:13:57
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4521. The measures of two angles of a triangle is in the ratio 4 : 5. If the sum of these two measures is equal to the measure of the third angle, find the smallest angle.
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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#6432 2019-07-04 15:31:04
- Monox D. I-Fly
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- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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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#6433 2019-07-04 16:26:43
- Jai Ganesh
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- Posts: 48,392
Re: Oral puzzles
Hi,
.
The solution #4521 is correct. Neat work, Monox D. I-Fly!
#4522. The sum of 8 consecutive odd numbers is 656. Also, average of four consecutive even numbers is 87. What this the smallest odd number and second even number?
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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#6434 2019-07-06 00:57:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4523. Find the value of
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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#6435 2019-07-06 15:34:49
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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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#6436 2019-07-06 17:17:57
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
The solution #4523 is correct. Excellent, Monox D. I-Fly!
#4524. The end points of a line segment AB are A(-5 4), and B(7, -8). Find its midpoint.
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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#6437 2019-07-06 19:01:37
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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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#6438 2019-07-07 00:05:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
The solution #4524 is correct. Neat work, Monox D. I-Fly!
#4525. If x + y = 12 and xy = 27, find the value of
.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.
Offline
#6439 2019-07-07 14:23:28
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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.
Offline
#6440 2019-07-07 15:53:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
The solution #4525 is correct. Splendid, Monox D. I-Fly!
#4526. If the cost price of 16 pens is equal to the selling price of 12 pens, then find the gain or loss percent.
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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#6441 2019-07-16 00:23:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4257. The average of 8 men is increased by 2 years. When two of them whose ages are 21 years and 23 years respectively replaced by two new men. Find the average age of the two men.
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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#6442 2019-07-18 00:18:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4258. The ratio of weekly incomes of A and B is 9 : 7 and the ratio of their expenditures is 4 : 3.If each saves $200 per week, find the sum of their weekly incomes.
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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#6443 2019-07-19 01:01:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4259. If the annual rate of simple interest increases from 10% to 12.5%, a man's yearly income increases by $1250. Find his principal.
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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#6444 2019-07-21 00:47:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4260. A shopkeeper sells an article at a lost of 12.5%. Had he sold the article for $51.80 more, he would have earned a profit of 6%. Find the Cost Price of the article.
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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#6445 2019-07-23 01:17:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
#4261. A truck covers a distance of 640 kilometers in 10 hours. If a car covers the same distance in 8 hours, what is the respective ratio of the speed of the truck and 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.
Offline
#6446 2019-07-23 14:36:51
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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.
Offline
#6447 2019-07-23 16:50:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
The solution #4261 is correct. Neat work, Monox D. I-Fly!
#4262. 'A' is twice as good a workman as 'B', and together, they can finish a piece of work in 14 days. Find the number of days taken by 'A' alone to finish the 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.
Offline
#6448 2019-07-25 00:28:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
#4263. A copper wire is bent in the form of a square with an area of 121 square centimeters. If the same wire is bent in the form of a circle, then find the radius of the circle in centimeters. 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.
Offline
#6449 2019-07-26 15:40:47
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
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.
Offline
#6450 2019-07-26 16:51:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,392
Re: Oral puzzles
Hi,
.
The solution #4263 is correct. Neat work, Monox D. I-Fly!
#4264. Two trains 140 meters and 160 meters long are running at the speeds of 60 kilometers per hour and 40 kilometers per hour respectively in opposite directions on parallel tracks. Find the time taken (in seconds) when they cross each other.
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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