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Displaying problems 1 - 10 of 426 in total
Problem 1137 - Guess That Number
- Solution Verified
"A" and "B" are playing a game, "A" chooses a non-negative integer less than 2n and tells "B" the number n. Then "B" gives k groups ...
Solve it!
Solve it!
5 correct answers,
8 tries,
1 commented solution
, 5 solvers:
(Amorydai)
(ilduderino)
(mueschel)
(csilviu)
Sepehr Mousavi (Sepehrmousavi)
(Show all user statistics)
Submitted by (SABB) on August 22 2010 | Discuss
Submitted by (SABB) on August 22 2010 | Discuss
Problem 1128 - Mileposts
- Solution Verified
On my way to Philadelphia, I pass five mileposts that indicate their respective distances to Philadelphia. The mileposts are at fixed ...
Solve it!
Solve it!
8 correct answers,
30 tries,
0 commented solutions
, 6 solvers:
(lucky99)
(mihainex)
(guest)
(Amorydai)
TARIQ (tajer)
(jnm2)
(Show all user statistics)
Submitted by (ilduderino) on August 18 2010 | Discuss
Submitted by (ilduderino) on August 18 2010 | Discuss
Problem 1120 - Turkeys
- Solution Verified
A butcher received an invoice for a consignment of 72 turkeys, but unfortunately it was smudged and a couple of figures were unreadable. ...
Solve it!
Solve it!
3 correct answers,
8 tries,
0 commented solutions
, 3 solvers:
(lucky99)
(Amorydai)
(csilviu)
(Show all user statistics)
Submitted by (ilduderino) on August 18 2010 | Discuss
Submitted by (ilduderino) on August 18 2010 | Discuss
Problem 1119 - Coins
- Solution Not Verified
Tommy was given 15 coins for his birthday, all in half-crowns, shillings and sixpences. When he added it up he found that he had ...
Solve it!
Solve it!
0 correct answers,
0 tries,
0 commented solutions
Submitted by (ilduderino) on August 18 2010 | Discuss
Submitted by (ilduderino) on August 18 2010 | Discuss
Problem 1116 - Coins
- Solution Not Verified
Supposing that eleven coins with round holes are worth 15 bits, while eleven square ones are worth 16 bits, and eleven of triangular ...
Solve it!
Solve it!
1 correct answer,
4 tries,
0 commented solutions
, 1 solver:
(lucky99)
(Show all user statistics)
Submitted by (ilduderino) on August 18 2010 | Discuss
Submitted by (ilduderino) on August 18 2010 | Discuss
Problem 1110 - students
- Solution Verified
In a group of 90 students, there are 48 who play football, 38 who play basketball and 54 who play baseball. Twenty of the 90 students ...
Solve it!
Solve it!
4 correct answers,
11 tries,
0 commented solutions
, 4 solvers:
(llang)
(lucky99)
(csilviu)
(mihainex)
(Show all user statistics)
Submitted by (ilduderino) on August 03 2010 | Discuss
Submitted by (ilduderino) on August 03 2010 | Discuss
Problem 1109 - distance
- Solution Verified
The hour hand of a certain clock is 5 inches long. The minute hand of the clock is 7 inches long. What is the distance between the ...
Solve it!
Solve it!
8 correct answers,
21 tries,
2 commented solutions
, 7 solvers:
(csilviu)
Ionut (ionut.o)
(guest)
Mickey Gutman (mgutman)
(Luther)
(Amorydai)
(mihainex)
(Show all user statistics)
Submitted by (ilduderino) on August 03 2010 | Discuss
Submitted by (ilduderino) on August 03 2010 | Discuss
Problem 1107 - coins
- Solution Not Verified
A jar contains 5 different pennies, 6 different nickels, 7 different dimes and 8 different quarters. How many ways can a set of 3 ...
Solve it!
Solve it!
2 correct answers,
3 tries,
1 commented solution
, 2 solvers:
(Amorydai)
(llang)
(Show all user statistics)
Submitted by (ilduderino) on August 03 2010 | Discuss
Submitted by (ilduderino) on August 03 2010 | Discuss
Problem 1106 - six digit numbers
- Solution Verified
How many six-digit positive integers are there in which every digit occurs the same number of times as the value of the digit? An ...
Solve it!
Solve it!
4 correct answers,
6 tries,
1 commented solution
, 4 solvers:
(csilviu)
Claudio Meller (ClaudioM)
(Amorydai)
Mickey Gutman (mgutman)
(Show all user statistics)
Submitted by (ilduderino) on August 03 2010 | Discuss
Submitted by (ilduderino) on August 03 2010 | Discuss
Problem 1105 - Triangle
- Solution Verified
An isosceles triangle whose sides are in the ratio 1 : 2 : 2 is inscribed in a circle of radius 1 and a second circle is inscribed ...
Solve it!
Solve it!
3 correct answers,
3 tries,
0 commented solutions
, 3 solvers:
(csilviu)
(guest)
(typhoid)
(Show all user statistics)
Submitted by (ilduderino) on August 03 2010 | Discuss
Submitted by (ilduderino) on August 03 2010 | Discuss
