... I would suggest a Hewlett Packard HP49g or HP49GX. It also has an avanced Computer Algebra System (CAS) and has an extensive expandable LiSP, COBAL,...
Think of a number from 1 to 23 I'll now give you 3 sets of numbers. You tell me how many times in each set you see your numbers, and on the reply you send,...
This problem goes all the way back to when this "club" was created. It involves Fermat's Last Theorem. For all those who have stuck with me through this, I...
Greeting: It was long ago when I brought same puzzle in to this group. I tried to find the posts but no luck. I am engaging in a discussion with a person...
It can be seen that if your opponent has to add to the number 89, there is no way he/she can win. So landing on 89 with your addition makes victory a...
Do you mean for us to consider each scenario separately, or both together? Or all three combinations of this? If the first to exceed 100 loses, then the...
Okay. I shall tackle the case of the 5 couples. And I'm going to assume that the order in which each person draws will have no bearing on the eventual...
If the game is to cause your opponent to equal or exceed 100, then you just ensure you can hit 99. As long as he goes first, you can make the total fall on...
Its quite a simple game....the winning number is 100 that is 1 mod (10+1) So if you always leave your opponent on 1 mod 11, you are sure to win the game. the...
Can't help you with 2 or 3 cos you use the word "each" when tehre's either none or one of the things (i.e. parabolas) you're talking about. Will reply to 1)...
peanuts cost $6/kg and almonds cost $9/kg. A twelve kilogram mixture of peanuts and almonds is prepared. If the mixture is worth $7/kg, how many kilograms of...
the tens digit of a two-digit number is 1 less than 3 times the units digit. Reversing the digits of the number decreases it by 45. Find the tens digit of the...
Sorry about my late reply. ... a) No. b) The maximum value of a function (in this case P; and it's a maximum value, not a minimum value, cos the coefficient of...
Hi! Happy New year for every one. I hope to u a new year full with more challenging and difficult math problem. Also I hope to u good luck n year. The problem...
... mixture ... The mixture would cost $6/kg is it were peanuts only, and $9/kg if it were almonds only, so simple inspection suggests that 4 kg of peanuts ...
For positive x, we typical adopt the convention that sqrt{x} denotes the positive square root of x. With this convention, if a and b are positive, we have the...
The probability that no one in the 5 couples gets his own or his spouse's gift is p = 0.121305. To derive this result, let N = the number of ways that the...
Interestingly, in the draw for Round 2 of the UEFA Champions League (which is the annual top competition for European soccer clubs), even though there are...
... when ... direction? I'm not sure if that's a trick question. Assuming that it's a normal pendulum, i.e. a weight suspended by a fixed point, and you ...
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