Brain Teasers
7777
Can you take 4 7's and arrange them with any math symbols needed to make the total be 100?
Hint
Division is neededAnswer
77/.77=100Hide Hint Show Hint Hide Answer Show Answer
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Comments
you didn't say 77 you said 7.
Oh well. I guess it's a good teaser since you tricked me.
but .77 isn't "7" either. I consists of 2 places that are 7 but not the value of 7.
You confuse me.
Oh well. I guess it's a good teaser since you tricked me.
but .77 isn't "7" either. I consists of 2 places that are 7 but not the value of 7.
You confuse me.
good one
Wow!
I love that one! I actually figured it out on my own, but was trying stuff like, 777/7.. no. 77+7/7. No. Then I remembered.. a decimal. Duh! Figured it out right away.
It sounds harder than it really is.
I love that one! I actually figured it out on my own, but was trying stuff like, 777/7.. no. 77+7/7. No. Then I remembered.. a decimal. Duh! Figured it out right away.
It sounds harder than it really is.
had this in math class with 8's.
Good one!
Good job never thought of double digits.
quite good one just stupid .77
i am used to writing .77
i am used to writing .77
It is a good teaser
Grr, got me on that one! Nice!
My training has .77 as BAD form of 0.77 but can be corrected by substituting 77%.
I got a different but similar answer:
(7/.7) x (7/.7) = 100
(7/.7) x (7/.7) = 100
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