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