Friday, February 8, 2013
Tuesday, February 5, 2013
Crates and weights
Puzzle:
I have ten boxes which I want to pack into crates. Each crate can carry a maximum of 25 kg.
But I only have three crates, and the total weight of the boxes is 75kg:
15 kg, 13kg, 11 kg, 10 kg, 9 kg, 8 kg, 4 kg, 2 kg, 2kg, 1 kg
How can I pack the boxes into the crates?
But I only have three crates, and the total weight of the boxes is 75kg:
15 kg, 13kg, 11 kg, 10 kg, 9 kg, 8 kg, 4 kg, 2 kg, 2kg, 1 kg
How can I pack the boxes into the crates?
Answer:
Ten possible answers
{Crate 1}, {Crate 2}, {Crate 3}
{15,10}, {13,8,4}, {11,9,2,2,1}
{15,10}, {13,11,1}, {9,8,4,2,2}
{15,10}, {11,8,4,2}, {13,9,2,1}
{15,10}, {11,9,4,1}, {13,8,2,2}
{11,10,4}, {15,8,2}, {13,9,2,1}
{11,10,4}, {15,9,1}, {13,8,2,2}
{13,8,4}, {15,9,1}, {11,10,2,2}
{13,10,2}, {15,8,2}, {11,9,4,1}
{13,10,2}, {15,9,1}, {11,8,4,2}
{13,11,1}, {15,8,2}, {10,9,4,2}
{Crate 1}, {Crate 2}, {Crate 3}
{15,10}, {13,8,4}, {11,9,2,2,1}
{15,10}, {13,11,1}, {9,8,4,2,2}
{15,10}, {11,8,4,2}, {13,9,2,1}
{15,10}, {11,9,4,1}, {13,8,2,2}
{11,10,4}, {15,8,2}, {13,9,2,1}
{11,10,4}, {15,9,1}, {13,8,2,2}
{13,8,4}, {15,9,1}, {11,10,2,2}
{13,10,2}, {15,8,2}, {11,9,4,1}
{13,10,2}, {15,9,1}, {11,8,4,2}
{13,11,1}, {15,8,2}, {10,9,4,2}
volume of PIZZA
Puzzle:
If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?ANSWER:
Volume = pizzaYour volume will be the area of the pizza times the height.
Since Area = pi*r^2 and radius = z, the area = pizz
Multiplying this times the height (a) gives you a product we all know and love:
Volume = pizza!
Monday, February 4, 2013
Summer in December
Answer: Billie lives in the southern hemisphere. :)
Some Southern Hemisphere Countries
- Brazil
- Argentina
- Ecuador
- Madagascar
- Mozambique
- Namibia
- South Africa
- Paraguay
- Peru
- Uruguay
- Zambia
- Colombia
- Australia
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Saturday, February 2, 2013
Friday, February 1, 2013
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