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Posts Tagged ‘digits’

What is the Answers to these questions?

3. Given an equilateral triangle with sides, a square with side s and a circle with diameter a, which figure has the greatest area?

5. I have twelve envelopes, which are numbered 1 through 12 and twelve cards which are numbered 110 through 121. How can I place one card inside each envelope so that the number on each envelope is a divisor of the number on the… Continue reading

2 comments - What do you think?  Posted by admin - September 7, 2010 at 5:51 pm

Categories: Trivia   Tags: bricks, cards, ceiling lights, Coins, diameter, digits, divisor, envelopes, equilateral triangle, fence, gasoline tank, great gross, price tag, rectangular garden, three times, train, whole numbers

Can someone answer these math questions?! Test of Genius worksheet.?

(1) Make this equation correct by changing the position of only one digit.

101-102=1

(2) Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit and weighs slightly less than the others. Using a balance scale, how can he find the counterfeit coin inn just two weighings?

(3) In the following addition problem, the letters A,B,and C stand for three different digits… Continue reading

2 comments - What do you think?  Posted by admin - August 16, 2010 at 10:41 pm

Categories: Trivia   Tags: 2s, 5s, abc, acb, addition problem, Appearance, balance scale, cba, counterfeit coin, digits, Gold Coins, playground, steven has 9 gold coins, test of genius worksheet

can you figure this out?

this is what i think the hardest question in the world, i didn’t figure it out but can you? here it is

A hundred prisoners are each locked in a room with three pirates, one of whom will walk the plank in the morning. Each prisoner has 10 bottles of wine, one of which has been poisoned; and each pirate has 12 coins, one of which is… Continue reading

7 comments - What do you think?  Posted by admin - July 18, 2010 at 5:52 pm

Categories: Trivia   Tags: blue hat, bottle of wine, canoe, Coins, digits, hats, millions and billions, monkeys, pirate, pirates, prime number, prisoners, puzzle, red hat, truth

Word Problems?

1) Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit and weighs slighlt less than the others. Using a balance scale, how can he find the counterfeit coin in just two weighings?
_______________________________________________

2) In the following problem, the letters A, B and C stand for 3 different digits. What digit should replace each letter?

ABC+ACB=CBA… Continue reading

1 comment - What do you think?  Posted by admin - March 29, 2010 at 10:39 pm

Categories: Trivia   Tags: a,b,c stands for 3 different digits. find the digits that should replace each letter if abc acb = cba, abc, acb, Appearance, balance scale, cba, coins to word 9 to word 1, counterfeit coin, digit, digits, Gold Coins, steven has 9 gold coins, steven has 9 gold coins that are identical in appearance, steven has 9 gold coins that are identical in appearance. however, one coin is counterfeit and weighs slightly less than the others. using a balance scale, how can he find the counterfeit coin in just

Counterfeit Coin problem with a twist?

We all know the counterfeit coin problem with 7 real coins & one fake one.

n coins = x weighings

2 coins = 1 weighing
3 coins = 1 weighing
4 coins = 2 weighings
5 coins = 2 weighings
6 coins = 2 weighings
7 coins = 2 weighings
8 coins = 2 weighings
9 coins = 2 weighings
10 coins = 3 weighings
11 coins =… Continue reading

1 comment - What do you think?  Posted by admin - August 25, 2009 at 8:54 am

Categories: Canadian Coins   Tags: amp, Coins, counterfeit canadian coin, counterfeit canadian coins, counterfeit coin problem, digits, equation math