The worlds first riddle!

There are ten bags containing marbles. Each bag has at least 10 marbles in it. Nine of the bags contains only marbles weighting 10 grams each. One of the bags contains only marbles weighing nine grams each. Each bag has a different number of marbles in it. All of the marbles look exactly the same.


here's the clue-->

you take 1 marble from the first, 2 from the second bag, 3 from the third etc etc

the you weigh al the marbles and if the las number is a 9 the it's the first bag, if the number is 8 it must be second. etc etc

i've also 2 questions you maybe want to solve

You have eight coins. One of the eight is counterfeit. The counterfeit coin can only be distinguished by weight---it is heavier than the rest. Using a balance scale only twice, find the counterfeit coin

and

how many places are there on earth, where you can walk exactly 1 kilometer south, then 1 kilometer east and then 1 kilometer north and end at the same point where you started

where's mou???
Good riddle, I give up.

With three coins, the only reasonable thing you can do is pick any two of them and put one in each pan. There are three possibilities:
1. left pan is heavy
2. the pans balance
3. right pan is heavy

Explain how you can deduce the heavy coin in each case.
The first and third cases are easy: we know the counterfeit coin is heavy, so the pan that is heavy has the counterfeit coin. The second case is only a little harder: there's only one counterfeit coin, so at least one of the two coins in the pans is not counterfeit, and because the other coin weighs the same, it is not counterfeit either. Therefore by a process of elimination the third coin (the one not in the pans) is counterfeit.

We started small and solved the small problem, now let's try to leverage that solution to solve the bigger problem. Explain how to perform two weightings on eight coins, so that the last weighing matches the step we used for three coins.

The Rest of the Solution
To apply the solution for three coins, we need to isolate the counterfeit coin to a group of three coins, using only one weighing, and in fact we can use the same idea. Divide the eight coins into groups of three (one group will only have two), then balance the two groups of three against each other. Just as in the three-coin problem, if one side is heavier, it contains the counterfeit coin, and if the sides balance, the other group of two coins contains the counterfeit coin. If one of the groups of three contains the counterfeit, we can find it in one more weighing using the three-coin solution. If the other group of two contains the counterfeit, we can find it in one more weighing by balancing the two coins against each other. :wink:

"how many places are there on earth, where you can walk exactly 1 kilometer south, then 1 kilometer east and then 1 kilometer north and end at the same point where you started"

The same place where a scientist lives in a hut from which he walks one kilometer directly south. He then hikes exactly one kilometre directly east. He then sees a bear and in terrible fright runs for one kilometre directly north back to the hut.

What colour was the bear

"Put weight in B1, lower it. Put son in B2, B1 goes up. Put daughter in B1, B2 goes up with son. Daughter stays on ground, son in tower, weight falls in B1. Son goes down in B2. Now daughter + son go in B2, and mother goes in B1, takes weight out. Mother comes to the ground, daughter + son come up. Repeat procedure to lower son & daughter, this time instead of lowering just weight, lower son and weight goes up."

(a) The weight is sent down; the empty basket comes up.
(b) The son goes down; the weight comes up.
(c) The weight is taken out; the daughter goes down; the son up.
(d) The son gets out; the weight goes down; the empty basket up.
(e) The queen goes down; daughter and weight come up; daughter gets out.
(f) The weight goes down; empty basket up.
(g) Son goes down; weight comes up.
(h) Daughter removes weight, and goes down; son comes up.
(i) Son sends down weight; empty basket comes up.
(j) The son goes down; weight comes up.


"Darn! I totally missed the cannonball. Sometimes
I am as slow going as a cannonball in a boat."

Relative is sailing down a river that is going at 3 kilometres per hour. There is no wind. Should he raise the sail in order to go faster.



An electric train is travelling at 90 kilometers per hour due south. A wind from the north is blowing at 95 kilometers per hour.
Which way will the smoke go


You are looking North, facing a chicken coop. The peak of the iron roof of the coop faces East-West and the wind is blowing from the South-East. A rooster lays and egg right on the very peak of the roof.

Which way will the egg fall


There is a hole in the ground measuring 1 metre deep by 1 and a half meters wide by 1 and three-quarter meters long.
To the nearest cubic centimetre, how much dirt is in the hole


There are 12 pennies in a dozen.
How many half-pennies are there


You are driving a suburban bus from the Redline Bus Company and at the first stop you pick up Susan, George, Andrew and his two sons. At the second stop you pick up Lisa, Margaret, Carol and her son and daughter and also Mike, You also drop off Andrew, one of his sons and Susan. At the third stop you pick up Peter who is carrying a chicken and you drop off Carol's son and daughter and George.

What is the bus driver's name


There are 3 words in 'Astronomical' use that end in 'n', 'a' and 'r'. The first is 'lunar' the secong is 'perilunar' and the third occupies the front position and can be the brightest of all.

What are the three words


As I was going tp St Ives I met a man with seven wives,every wife had seven cats and every cat had seven rats, every rat had seven mice. Me, husbands, wives, rats cats and mice, how many were going to St Ives


Remember the two rules for success are:
1: Never tell them everything you know.
2:

I see people need me

Coins - first you put 3 on each side of balance scale - if neither is heavier, then you simply take remaining two and put one on each side.
If one of sides is heavier, then you take this three coins, put one of them on each side and, of course, if one is heavier you have answer, if not, then third one is the one that is heavier.

on the other hand Try already solved it, but I haven't seen that

You are driving a suburban bus from the Redline Bus Company and at the first stop you pick up Susan, George, Andrew and his two sons. At the second stop you pick up Lisa, Margaret, Carol and her son and daughter and also Mike, You also drop off Andrew, one of his sons and Susan. At the third stop you pick up Peter who is carrying a chicken and you drop off Carol's son and daughter and George.

What is the bus driver's name


eeeeh Magnum

how many places are there on earth, where you can walk exactly 1 kilometer south, then 1 kilometer east and then 1 kilometer north and end at the same point where you started"

The same place where a scientist lives in a hut from which he walks one kilometer directly south. He then hikes exactly one kilometre directly east. He then sees a bear and in terrible fright runs for one kilometre directly north back to the hut.

What colour was the bear


I tell you that's not the correct answer

"Which way will the smoke go ? "
No smoke, electric train.


"Which way will the egg fall ?"
Roosters do not lay eggs.


" how much dirt is in the hole ?"
None.

"How many half-pennies are there ?"
12 half-pennies in a dozen


"There are 3 words in 'Astronomical' use that end
What are the three words ???"
Epolunar?

"how many were going to St Ives ?"
one.


whim

You are all way too good. So, in an effort to correct the balance I give you no more than 7 weeks to answer the next lot. Oh, BTW welcome back MyO you gave us a bit of a scar., I hope you get better soon.


Two children, who were all tangled up in their reckoning of the days of the week, paused on their way to school to straighten matters out.

"When the day after tomorrow is yesterday," said Priscilla, "then 'today' will be as far from Sunday as that day was which was 'today' when the day before yesterday was tomorrow!"

On which day of the week did this puzzling prattle occur


Five clever newsboys formed a partnership and disposed of their papers in the following manner. Tom Smith sold one paper more than one quarter of the whole lot. Billy Jones disposed of one paper more than a quarter of the remainder. Ned Smith sold one paper more than a quarter of what was left, and Charley Jones disposed of one paper more than a quarter of the remainder.
At this stage the Smith boys had together sold just one hundred papers more than the Jones boys had sold. Little Jimmy Jones, the youngest kid in the bunch, now sold all the papers that were left. The three Jones boys sold more papers than the two Smith boys, but how many more

During a recent St. Patrick's Day parade an interesting and curious puzzle developed. The Grand Marshall issued the usual notice setting forth that "the members of the Honourable and Ancient Order of Hibernians will parade in the afternoon if it rains in the morning, but will parade in the morning if it rains in the afternoon". This gave rise to the popular impression that rain is to be counted as a sure thing on St. Patrick's Day. Casey boasted that he "had marched for a quarter of a century in every St. Patrick's Day parade since he had become a boy".

I will pass over the curious interpretations which may be made of the above remark, and say that old age and pneumonia having overtaken Casey at last, he had marched on with the immortal procession. When the boys met again to do honour to themselves and St. Patrick on the 17th of March, they found that there was a vacancy in their ranks which it was difficult to fill. In fact, it was such an embarrassing vacancy that it broke up the parade and converted it into a panic-stricken funeral procession.

The lads, according to custom, arranged themselves ten abreast, and did march a block or two in that order with but nine men in the last row where Casey used to walk on account of an impediment in his left foot. The music of the Hibernian band was so completely drowned out by spectators shouting to ask what had become of "the little fellow with the limp", that it was deemed best to reorganize on the basis of nine men to each row, as eleven would not do.

But again Casey was missed, and the procession halted when it was discovered that the last row came out with but eight men. There was a hurried attempt to form with eight men in each row; again with seven, and then with five, four, three, and even two, but it was found that each and every formation always came out with a vacant space for Casey in the last line. The, although it strikes us as a silly superstition, it became whispered through the lines that every time they started off, Casey's "dot and carry one" step could be heard. The boys were so firmly convinced that Casey's ghost was marching that no one was bold enough to bring up the rear.

The Grand Marshall, however, was a quick-witted fellow who speedily laid out that ghost by ordering the men to march in single file; so, if Casey did follow in spirit, he brought up the rear of the longest procession that ever did honour to his patron saint.

Assuming that the number of the men in the parade did not exceed 7,000, can you determine just how many men marched in the procession

thanks Try, but I am okay....at least if we put away spring allergies and some mild spring depressions

I would just like to be in cartoon to get out of my skin

What is black when you buy it, red when you use it and gray when you throw it away?

Coal =>burn => ashes


Talking about buying me a drink. How can you spell brandy using only three letters?

BR + D?

It is in a rock but not in a stone, it is in marrow but not in a bone. It is in a bolster but not in a bed, it is not living, nor is it dead. What is it?

??


After gathering 770 chestnuts, the three little girls divided them up so that their amounts were in the same proportion as their ages. As often as Mary took four chestnuts, Nellie took three, and for every six that Mary received, Susie took seven. How many chestnuts did each girl get?

??

During the Roman stampede in Flores, a small detachment found itself confronted by a wide and deep river. However, they discovered a boat in which two children were rowing about. It was so small that it would only carry the two children, or one grown person.

How did the officer get himself and his 357 soldiers across the river and leave the two children finally in joint possession of their boat ? And how many times needed the boat pass from shore to shore ?

??



whim

ah yeah boats, rivers...
this one is really tough
I suppose it could be solved if one child can row alone as well...in that case they both (children) go to the other side, one child stays, other rows back and let the one soldier row to the other side...
Then another child is coming back, they both row to the other side, one is coming back again, and another soldier passes...and so on, so on, so on...
It's a long long journey, but this way they will eventually all come to other side.

One--- the north pole

6 shakes

The answer is obvious, if you are standing at the north pole it doesn't matter which way you walk you are heading south. You walk 1 K. south, 1k east and 1k north you are back where you started.

If you are anywhere else on earth and you walk 1k south, 1k east and 1k north you would be 1k EAST of where you started.

Oh, and the bear must be white cos its a polar bear.

If Magnum disagrees with that then either its a gag and not a riddle or Magnum is wrong.

"Forward I am heavy, but backward I am not. What am I?"

A ton.


whim

"How many coins need to be released so that chances are that one coin will make it all the way down the slide?"


I think 8 coins.

50% of 8 = 4 fall in first hole
50% of the remaining 4 = 2 fall in the second hole.
50% of the remaining 2 = 1 fall in the third hole.
1 makes it to the end of slide.

whim

"Relative came up with a slightly different number. "1427 crossings; clever officer .. "

I came up with the same answer as you did, but perhaps Relative could explain what he did differnt to get 1427 crossings?


whim