267 views
Which is heavier: 1 kilogram of feathers or 1 kilogram of steel?
5 months ago
Questions & Answers
267 views
Find the positive integer x such that x + x = x × x.
5 months ago
510 views
How many times do a clock’s hands overlap in 12 hours?
5 months ago
163 views
If it takes 10 minutes to boil one egg, how long to boil three eggs (in the same pot)?
5 months ago
160 views
I am an odd number. Remove one letter and I become even. What number am I?
5 months ago
209 views
How many trailing zeros are in 100!?
5 months ago
206 views
What is the value of 0!?
5 months ago
128 views
An item costs $100, then gets a 20% discount and later a 20% increase. What’s the final price?
5 months ago
175 views
Divide 30 by 1/2 and add 10. What do you get?
5 months ago
179 views
Which three whole numbers give the same result whether added or multiplied?
5 months ago
391 views
A clock shows 3:15. What’s the angle between the hour and minute hands?
5 months ago
459 views
If 3 cats catch 3 mice in 3 minutes, how long for 100 cats to catch 100 mice?
5 months ago
383 views
Add eight 8’s to get 1,000.
5 months ago
334 views
A farmer has 17 sheep. All but 9 run away. How many are left?
5 months ago
312 views
Using three 3’s and standard operations, make 6.
5 months ago
434 views
If 5 machines take 5 minutes to make 5 widgets, how long do 100 machines take to make 100 widgets?
5 months ago
223 views
Add one line to make this true: 5 + 5 + 5 = 550
5 months ago
268 views
A bat and a ball cost $1.10. The bat costs $1 more than the ball. How much is the ball?
5 months ago
198 views
You have a 3-liter jug and a 5-liter jug. How can you measure exactly 4 liters of water?
5 months ago
407 views
If 1 = 3, 2 = 3, 3 = 5, 4 = 4, and 5 = 4, what is 6 = ?
5 months ago