66 is the number of 8-iamonds.
67 is the smallest number which is palindromic in bases 5 and 6.
68 is the last 2-digit string to appear in the decimal expansion of .
69 has the property that n2 and n3 together contain each digit once.
70 is the smallest abundant number that is not the sum of some subset of its divisors.
Whim:
As a whole, I am both safe and secure.
Behead me, and I become a place of meeting.
Behead me again, and I am the partner of ready.
Restore me, and I become the domain of beasts.
What am I
Stable

- table

- able

- stable
Mark:
Bright as diamonds...
waterfall?
67) the only prime in the group
69) famous position
(8 - 3) * 9 = 45
(12 * 4) / (6 * 2) = 4
(18 / 2) * (6 - 2) = 36
(5 + 4) + (9 * 2) = 27
Only joking
"(11) First or smallest?"
We can't even agree the difference between ?'upside down and back to front' Mind you, who writes 1's with a top and tail?
20 DIAGONALS
1080 degrees
CIRCLE
5*sqrt(2) units
DECAGON VS. PENTAGON
36 degrees
WHIM'S SOCKS
1/11
WOW! That's good.
Whim:
66 = Length of Belgian coast in Kilometers.
67 = the only prime in the group (Mark)
67 = books written by Edward de Bono
68 = miles from Milwaukee to Madison
68 = pages in the Magi astrology notebook
69 = famous position (Soisante Neuf) (Mark)
69 = first 2 digit number which reads the same upside down.
70 = deciples of Jesus
Jesus Sends Out 70 Disciples
Luke 10:1-24
"What about '33'"
"Upside down 33 would read EE."
Back to front it would, upside down I fancy it would look the same.
Good morning Turtlette, don't worry about derailing. This thread was in a train smash years ago. :wink:
Whim: "Getting harder these.. "
These are the easy one's. :wink:
71
72
73
74
75
Can you find the degree measure of an angle whose complement is 25 percent of its supplement.
A 26-ft string is attached to the top of a 10-ft flagpole.
When the other end of the string is held taut to the ground, what is the number of square feet in the area of the largest circle that can be drawn with the end of the string
On a certain test, the average score for the women in the class is 83,
whereas the average score for the men in the class is 71.
If the average score for all the students in the class is 80, what percent of the students are women