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#6376 2019-05-14 00:31:28
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
Neat work, Monox D. I-Fly! The solution #4470 is perfect!
#4471.Area of a rectangular field is 3584 square meters and the length and the breadth are in the ratio 7 : 2 respectively. What is the perimeter of the rectangle?
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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#6377 2019-05-14 13:25:45
- 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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#6378 2019-05-14 15:36:49
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
Good attempt, Monox D. I-Fly!
#4472. Alvin invests $64,000 in a business. After a few months, Barley joined him with $48,000. At the end of the year, the profit was divided between them in the ratio 2 : 1. After how many months did Barley join?
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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#6379 2019-05-15 17:13:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4473. The ratio of the ages of A and B seven years ago was 3 : 4 respectively. The ratio of their ages nine years from now will be 7 : 8 respectively. What is B's present age?
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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#6380 2019-05-16 00:34:21
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4474. Present ages of father and son are in the ratio of 6 : 1 respectively. Four years later, the ratio of their ages will become 4 : 1. What is the son's present age?
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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#6381 2019-05-18 00:43:58
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4475. The ratio of the ages of Reginald and Stephen is 5 : 8. The ratio of their ages 10 years hence will be 7 : 10. What is the present age of Stephen?
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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#6382 2019-05-18 18:56:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4476. Find the value
if .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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#6383 2019-05-19 00:51:04
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4477. The respective ratio between the present ages of father, mother, and daughter is 7 : 6 : 2. The difference between mother's age and daughter's age is 24 years. What is the father's present age?
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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#6384 2019-05-20 00:20:22
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4478. Beena and Meena started a boutique investing an amount of $35000 and $56000 respectively. If Beena's share in the profit earned by them is $45000, what is the total profit earned?
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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#6385 2019-05-21 00:30:40
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4479. The ratio of the boys and girls in a class is 6 : 5. If 8 more boys join the class and two girls leave the class, the ratio becomes 11 : 7. What is the number of boys in the class now?
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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#6386 2019-05-22 00:42:02
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4480. If 50% of Simon's salary is equal to 40% of Roger's salary and their total salary is $36000, find Roger's salary.
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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#6387 2019-05-23 00:33:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4481. Number of students in 4th class and 5th class is in the ratio 6 : 11. 40% in class 4 are girls and 48% in class 5 are girls. What is the percentage of students in both the classes are boys?
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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#6388 2019-05-24 00:49:27
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4482. The ratio of the ages of A and B is 6 : 7 respectively. The ratio of the ages 8 years hence would be 8 : 9. What would be the ratio of their ages after 12 years?
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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#6389 2019-05-25 00:25:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4483. Find is the sum of the zeroes of 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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#6390 2019-05-26 01:10:06
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4484. 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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#6391 2019-05-27 00:39:10
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4485. Find the sum of the given series:
1 + 2 + 3 + ... + 120.
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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#6392 2019-05-28 00:11:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4486. Check whether (x - 3) is a factor of the polynomial
.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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#6393 2019-05-29 01:14:02
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4487. 1 is added to the product of two consecutive even numbers gives 289. 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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#6394 2019-05-30 00:29:55
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4488. The length of a rectangle is 10 centimeters more than the breadth, and its area is 144 square centimeters. What are the length and breadth?
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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#6395 2019-05-30 15:15:03
- 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
#6396 2019-05-30 17:23:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
The solution #4488 is correct. Marvelous, Monox D. I-Fly!
#4489. The sum of squares of two consecutive multiples of 7 is 637. Find the multiples.
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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#6397 2019-05-31 14:05:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4490. The perimeter of a rectangle is 28 meters and its diagonal is 10 meters. What are the lengths of the sides?
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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#6398 2019-06-01 14:04:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4491. Find the value of x.
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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#6399 2019-06-02 02:51:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
#4492. If
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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#6400 2019-06-03 00:32:02
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,420
Re: Oral puzzles
Hi,
.
#4493. Two dice are thrown simultaneously. Find the probability of obtaining a total score of 5.
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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