Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#6526 2019-12-04 00:34:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4678. The first term of an Arithmetic Progression is 22 and the last term is -11. If the sum is 66, find the number of terms in the Arithmetic Progression.
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
#6527 2019-12-04 14:31:49
- 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.
Offline
#6528 2019-12-04 15:25:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
The solution #4678 is correct. Neat work!
#4679. A cylindrical vessel of diameter 12 centimeters is partly filled with water. A spherical bass is dropped in it and the water level raises by 1 centimeter. Find the diameter of the ball.
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
#6529 2019-12-06 00:22:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4680. Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio A : B.
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
#6530 2019-12-06 14:32:32
- 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
#6531 2019-12-06 15:00:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
Excellent, Solution #4680 is correct!
#4681. Find the value of
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.
Offline
#6532 2019-12-07 01:16:42
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4682. What is the fourth root of 24010000?
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
#6533 2019-12-09 00:13:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
4683. In Combinations and Permutations, 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
#6534 2019-12-09 14:32:10
- 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
#6535 2019-12-09 15:56:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
Neat work!
#4684. In how many different ways can the letters of the word MINDWORKZZ be arranged in such a way that the vowels always come together?
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
#6536 2019-12-11 00:43:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4685. For which of the following value of x, the value of
is 32760?a) 3
b) 5
c) 4
d) 2
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
#6537 2019-12-12 00:50:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4686. Find the value of n is
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
#6538 2019-12-14 01:18:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4687. In how many ways can the letters of the word READER be arranged?
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
#6539 2019-12-16 00:32:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4688. How many four-letter words with or without meaning, can be formed out of the letters of the word, FARSIGHTED, if repetition of letters is not allowed?
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
#6540 2019-12-18 01:17:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4689. In how many ways can 5 prizes be given away to 4 boys, if each boy is eligible for all the prizes?
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
#6541 2019-12-20 00:17:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4690. In how many ways can a group of 4 men and 3 women be made out of a total of 8 men and 4 women?
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
#6542 2019-12-20 14:29:56
- 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
#6543 2019-12-20 15:33:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
Neat work! The solution #4690 is perfect!
#4691. Out of 6 consonants and 3 vowels, how many words of 3 consonants and 2 vowels can be formed?
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
#6544 2019-12-22 00:58:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4692. There are 6 non-collinear points. How many triangles can be drawn by joining these points?
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
#6545 2019-12-23 01:21:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4693. How many three-digit numbers can be formed using the digits 0, 1, 2, 5, 8, and 9 (repetition of digits not allowed)?
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
#6546 2019-12-23 14:34:14
- 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
#6547 2019-12-23 15:41:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
Good attempt!
#4694. How many three-digit numbers can be formed using the digits 0, 1, 2, 5, 8, and 9 (repetition of digits is allowed)?
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
#6548 2019-12-25 00:30:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4695. Kate draws a polygon of n sides. The polygon has 44 diagonals. Find the value of n.
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
#6549 2019-12-27 00:07:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4696. How many 3-digit numbers divisible by 5, can be formed from the digits 1, 2, 3, 4, 5, and 9 (none of the digits is repeated)?
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
#6550 2019-12-29 00:26:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: Oral puzzles
Hi,
#4697. From a group of 6 men and 5 women, four persons are to be selected to form a committee so that at least 2 men are in the committee. In how many ways can it be 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.
Offline