How many times do you have to roll an ordinary die in order to be certain that at least one number is rolled twice?
a) 5
b) 5
c) 7
d) 12
e) 18
7
Kevin knows that 1111 x 1111 = 1234321. Which result does he get for 1111 x 2222?
a) 3456543
b) 2345432
c) 2234322
d) 2468642
e) 4321234
d) 2468642
3+3=8 (I'll draw on the board)
Move just 2 matchsticks to make the equation correct! 🧐
9-9=0
Paul goes on a 5-day hiking trek. He starts on Monday and finishes on Friday. Every day he covers 2 km more than the day before. In total he hikes 70 km. Which distance does he cover on Thursday?
a) 12km
b) 13km
c) 14km
d) 15km
e) 16km
e) 16km
A fly has 6 legs, a spider 8. Therefore 3 flies and 2 spiders together have the same amount of legs as 9 chickens and...
a) 2 cats
b) 3 cats
c) 4 cats
d) 5 cats
e) 6 cats
c) 4 cats
Name the shape that has no angles but is not a circle.
Oval!!!!! HAAA
A lion hides in one of three rooms. On the door to room number 1 a note reads: "The lion is not here". On the door to room number 2 a note reads: "The lion is here". On the door to room number 3 a note reads: "2 + 3 = 5". Exactly one of the three notes is true. In which room is the lion?
a) Room 1
b) Room 2
c) Room 3
d) It can be in any room
e) Either in room 1 or 2
a) Room 1
Only four players score goals in a handball game. Each one scored a different number of goals. Michael scored the fewest number of goals. If the other players altogether managed to score 20 goals in total, what is the maximum number of goals Michael could have scored?
a) 2
b) 3
c) 4
d) 5
e) 6
c) 4
Which number keeps going up and never reduces?
YOUR AGE
The two girls Eva and Olga and the three boys Adam, Isaac and Urban play together with a ball. If a girl has the ball she throws it either to the second girl or to a boy. Every boy only throws the ball to another boy, however not to the one where the ball has just come from. The first throw is made by Eva to Adam. Who makes the 5th throw?
a) Adam
b) Eva
c) Isaac
d) Olga
e) Urban
a) Adam
Nick wants to split the numbers 2, 3, 4, 5, 6, 7, 8, 9, 10 into some groups so that the sum of the numbers in each group is equally big. What is the biggest number of groups he can build this way?
a) 2
b) 3
c) 4
d) 6
e) another number
b) 3
I add six to eleven, and get five. Why is this correct?
When it is 11 a.m., adding six hours makes it 5 p.m.
From a list with the numbers 1, 2, 3, 4, 5, 6, 7, Monika chooses 3 different numbers whose sum is 8. From the same list Daniel chooses 3 different numbers whose sum is 7. How many of the numbers were chosen by both Monika and Daniel?
a) none
b) 1
c) 2
d) 3
e) cannot be determined
c) 2
The sum of Kathi’s age and the age of her mother is 36. The sum of the age of her mother and the age of her grandmother is 81. How old was Kathi’s grandmother when Kathi was born?
a) 28
b) 38
c) 45
d) 53
e) 56
c) 45
What is the smallest whole number that is equal to seven times the sum of its digits?
21!!!1