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easy to hard math problems
1
There are 3 masons building a wall in 3 hours. How long would it take 6 masons of the same type to build the wall?
3h
4h
5h
6h
37% got this right
It's 3 o'clock. Because the wall is finished!
2
A duck stands between two ducks. A duck stands behind a duck. A duck stands in front of a duck. How many ducks are there
3
2
4
6
51% got this right
3 ducks. They stand in a row: front – middle – back.
3
Find a 2-digit number, the sum of the digits is 9, if the 2 digits are swapped, new number is 27 units larger than old
36
74% got this right
The number is 36. Change the place to 63, more than 36 is 27.
4
What is half of 4?
2
`1
3
4
92% got this right
If you understand it as "cutting the number 4 in half" you will get the number 1. And according to mathematics 4/2=2
5
My mother has 4 children: North, Central, South and... what is the name of the fourth child?
Your name
East
South
West
67% got this right
And" is a conjunction. The fourth child is your friend. The answer is right there in the sentence!
6
There are 100 cakes to be divided among 100 people, each person must get at least one cake, but there is still one cake
99 people each get 1, last person gets 1 + extra
Divided equally, one person gets 2
68% got this right
Give 99 people 1 each, the last person gets 1 + the remainder, that is 2.
7
It takes 5 machines 5 minutes to make 5 products. How long (minutes) does it take 100 machines to make 100 products?
5
1
100
20
38% got this right
5 minutes. Because each machine makes 1 product in 5 minutes ⇒ 100 machines make 100 products in 5 minutes.
8
A father is 40 years old and his son is 10 years old. In how many years will the father's age be twice the son's age?
20
ever happened
10
Never
42% got this right
40+x=2*(10+x)
9
48 random squares
Find the smallest c-digit number divisible by 3, 4, and 5.
60
65% got this right
Because: LCM(3,4,5) = 60.
10
A rooster stands on the roof, it lays an egg. Which way does the egg roll?
CANT ROLL
Forward
Left
Right
55% got this right
Can't roll - because roosters don't lay eggs!
11
A basket has 5 apples. You take away 3. How many apples do you have left?
3
92% got this right
you took 3
12
Find all positive integers 𝑛 such that: n+ root n approximately 100
90
91
