Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#1476 2020-12-23 01:01:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Keep trying!
825. If x = 11, then 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
#1477 2020-12-23 15:22:44
- 666 bro
- Member
- From: Flatland
- Registered: 2019-04-26
- Posts: 706
Re: Compute the solution:
"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan
Offline
#1478 2020-12-23 15:47:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Good work!
826. If a, b, c be all positive integers, then find the least positive 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
#1479 2020-12-27 01:22:09
- 666 bro
- Member
- From: Flatland
- Registered: 2019-04-26
- Posts: 706
Re: Compute the solution:
"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan
Offline
#1480 2020-12-27 03:09:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Good work!
827. A box contains 4 black balls, 3 red balls and 5 green balls.2 balls are drawn from the box at random. What is the probability that both the balls are of the same color?
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
#1481 2020-12-27 11:32:13
- Denominator
- Member
- Registered: 2009-11-23
- Posts: 220
Re: Compute the solution:
Hello,
Offline
#1482 2020-12-27 14:12:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
Neat work!
828. One-third of 12 mangoes got rotten. If 4 mangoes are taken out randomly, what is the probability that no mango is rotten?
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
#1483 2020-12-31 16:02:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
829. A basket contains 3 blue, 2 green and 5 red balls. If three balls are picked at random, what is the probability that at least one is red?
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
#1484 2020-12-31 17:07:16
- Denominator
- Member
- Registered: 2009-11-23
- Posts: 220
Re: Compute the solution:
Hello,
Offline
#1485 2020-12-31 17:43:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
Excellent!
830. From a group of 6 men and 4 women, two people are to be selected for a tour. Find the probability of at least one person is a man.
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
#1486 2021-01-01 00:26:34
- 666 bro
- Member
- From: Flatland
- Registered: 2019-04-26
- Posts: 706
Re: Compute the solution:
"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan
Offline
#1487 2021-01-01 00:45:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
831. A box contains 5 red and 10 blue marbles. If 4 marbles are drawn at random, find the probability of at least two marbles are blue.
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
#1488 2021-01-01 06:49:59
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Compute the solution:
Happy New Year!
Last edited by irspow (2021-01-01 07:45:05)
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#1489 2021-01-01 13:01:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
Excellent!
New Year Wishes to you too!
832. If two cards are drawn at random from a pack of 52 cards, find the probability of both being black or both being Jack.
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
#1490 2021-01-01 13:43:31
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Compute the solution:
For 831, factor 21, 252/273=12/13 
Last edited by irspow (2021-01-01 14:41:03)
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#1491 2021-01-01 15:06:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
Splendid!
833. If a card is drawn at random, find the probability of getting a red card or a diamond or an ace.
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
#1492 2021-01-02 04:35:08
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Compute the solution:
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#1493 2021-01-02 12:44:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Hi,
Neat work!
834. A natural number is chosen at random from the first 100 natural numbers. Find the probability of the number chosen is
(a) a multiple of 2 or 5
(b) a multiple of 2 or 5 or 7.
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
#1494 2021-01-03 00:41:16
- 666 bro
- Member
- From: Flatland
- Registered: 2019-04-26
- Posts: 706
Re: Compute the solution:
Last edited by 666 bro (2021-01-03 00:41:32)
"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan
Offline
#1495 2021-01-03 02:52:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Excellent!
835. From the numbers ranging from 50 - 150, an integer is chosen at random. Find the probability of the integer being divisible by 3.
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
#1496 2021-01-03 04:28:59
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Compute the solution:
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#1497 2021-01-03 12:56:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Neat work!
836. If two cards are drawn at random from a set of 52 cards, find the probability of one card is a club and other is a diamond.
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
#1498 2021-01-04 03:38:05
- irspow
- Member
- Registered: 2005-11-24
- Posts: 1,055
Re: Compute the solution:
I am at an age where I have forgotten more than I remember, but I still pretend to know it all.
Offline
#1499 2021-01-04 13:35:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 50,930
Re: Compute the solution:
Neat work!
837. Two dice and three coins are thrown simultaneously. Find the probability such that there is a sum of 6 on the dice and at least two tails on the coins.
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
#1500 2021-01-04 20:53:36
- 666 bro
- Member
- From: Flatland
- Registered: 2019-04-26
- Posts: 706
Re: Compute the solution:
"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan
Offline