The "Chess" Family
Viswanathan Anand, his sister, his son, and his daughter are chess players. The following facts refer to the people mentioned:
1. The best player's twin and the worst player are of opposite sex.
2. The best player and the worst player are of the same age.
Which one of the four player is the best player ?
1. The best player's twin and the worst player are of opposite sex.
2. The best player and the worst player are of the same age.
Which one of the four player is the best player ?
Labels: logic, mathemagic
posted by Rajesh Lal at
11:23 AM
22 Comments:
The best player would be the son.
The best player and worst player are of the same age. daughter and son, twins, good.
The best player's twin and the worst player are of the opposite sex. that would be because the worst player and best player are twins of different gender.
Viswanathan and his sister could also be twins so there isnt enough information to answer the question
But Mikie, You indicated that the daughter is the worst player, how can the son's twin (the daughter) and the worst player (the daughter) be of opposite sex?
I think the daughter is the best player. and the sister is the worst.
The daughter's twin and the sister are of opposite sex.
The daughter and the sister are the same age because the sister was born well after Viswanathan and he had his daughter early in life.
Nevzat
Nezvat is right imho. I thought of that right away. The daughter is the best, the sister is the worst and is the same age as the daughter because she was born way late. (heck, I have an uncle who is a year younger than me) and obviously the son, the daughter's twin, is the opposite sex of the sister.
the only thing that works is sis as the best player (remember its the best player that has a twin)
sis is best and daughter is the worst. work it out on paper people. write the 4 people out on paper and follow the facts. v,sis,son,daughter then circle start with v as the best which would make the son the worst according to fact 1 (because the best player has the twin) then fact 2 is false so write the names again in the same order and start with sis as best player and daughter as worst and all the facts will match no other possible combos duh
there are multiple answers because there is not enough info...stupid puzzle
if sister is best and daughter is worst, how can the sister and Viswanathan be twins and yet the same age as the daughter? That sounds like something from Jerry Springer.
Not enough info.
V is male ("his sister").
Twins can be V,sister and/or son,daughter.
Fact 1 says best and worst are same sex (since only twin possibilities are M/F).
Fact 2 says best and worst are same age.
Son cannot be same age as father, but sister can be same age as daughter.
So the two possibilities are that sister is best and daughter is worst, or daughter is best and sister is worst.
Good point anon. Back to the drawing board for me.
The Twins must be the Son and Daughter (because of anon's age comment).
The Best player has a twin.
Therefore my earlier post and this info mean:
The Daughter is best and the Sister is worst.
Definately the daughter is the best player
Case I: Correct Answer --
1. Son & Daghter are twins.
2. Sis & Daughter are same age.
3. There is only 1 answer:
* Best Player: Daughter
* Worst Player: Sis
Case II: Tricky Answer --
1. Vis & Sis are twins.
2. Step-Son & Step-Daughter are also twins.
3. All same age.
In this case, there are 4 answers:
A. Best: Vis, and Worst: Son;
B. Best: Son, and Worst: Vis;
C. Best: Sis, and Worst: Daughter;
D. Best: Daughter, and Worst: Sis.
Note:
Don't know the culture background of Viswanathan Anand. But, it may very well have something to do with the riddle...
But, Chinese call "Step-Son" as "Son"; and "Step-Daughter" as "Daughter". No difference between "blood-relatives" and "wed-relatives". Shark
It is obviously Viswanathan Anand. But the information provided in the question isn't correct to provide a valid answer. Unless these guys are some how inbred. :(
it's the daughter.
the father and sister are possible twins and the son and daughter are possible twins. the best players twin and the worst player are opposite genders, this could go almost anyway.
but since the best player and the worst player have to be of same age and a father most certainly is not the same age as his children that leaves the sister to be the same age as the son and daughter (twins). is the best players twin and the worst player are of opposite gender and same age it is the daughter who is best player son who is twin and sister who is worst player.
But can't it be the opposite? Sis best and daughter worst?
It's hilarious how people still debate the answer after it's given.
His sister is born late. so late that his daughter and his sister is same age. His mom must be very young!!
The daughter is best
The best player as a twin who is an opposite sex of the worst player. So is also the same age as the best player and the twin.
That leaves the son, daughter, and the sister who can all be the same age.
The best player has a twin, therefore can only be the son and daughter. Leave the worst player as the sister.
Since the worst and the twin are of opposit sex that rules out the son. leaving the daugther as the best.
I hope that clears the puzzle. Now the only question is who is second best?
That is not a solvable question so don't try!!!
the best player is the daughter...
fact #1:
the best player's twin (the son) and the worst player are of opposite sex
fact #2:
the worst player is Viswanathan's sister... it was not stated in the situation the age of his sister.. but automatically irradicating him as the worst player since he is not an opposit sex of the daughter's twin...
we could irradicate the possibility that the sister and viswanathan are twins since the fact#2 could never make the sister and the daughter of the same age...
the facts where
1. "The best player's twin and the worst player are of opposite sex."
2. The best player and the worst player are of the same age
. There is only 1 answer:
* Best Player: son
* Worst Player: Sis
see the details
Viswan & sister & son & Daghter
Viswan & sister if twins there wouldnt be a anser.
they would be older than his
son & Daghter so it get rid of
Viswan and says son & Daghter are twins and sister is same age.
the best and worst are diff sex
but the twin and worst are diff people. so the the Daghter cant be the best or worst because the sister is also female and the best was one of the twins. so that leaves the son to be the best and Viswan's sis to be the worst
that was very simple!!!
dancing kirby yea
<(*-*<)(>*-*)> <(*-*<)(>*-*)>
(>*-*)>(>*-*)> <(*-*<)<(*-*<)
<(*-*<)<(*-*<) (>*-*)>(>*-*)>
but there is another anser if fact 1 is read diffrtly here are 2 ways to read it 1. is that both the twin and the worst player are of opposite sex of the best player as my last post.
or 2. the twin of the best player and worst player are of opposite sex. if in case 2 than resalts as fallows
the facts where
1. "The best player's twin and the worst player are of opposite sex."
2. The best player and the worst player are of the same age
. There is only 1 answer:
* Best Player: Daghter
* Worst Player: Sis
see the details
Viswan & sister & son & Daghter
Viswan & sister if twins there wouldnt be a anser still.
they would be older than his
son & Daghter so it get rid of
Viswan and says son & Daghter are twins and sister are the same age.
the twin of the best and worst are diff sex
so the the son cant be the best or worst because the Daghter & sister are both female and the best was one of the twins. so that leaves the Daghter to be the best and Viswan's sis to be the worst
duhhhhhhhhhh
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