How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
I’m tall when I’m young, and I’m short when I’m old. What am I?
John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"
While Bella does not know the answer, do you ?
If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?
What do you answer even though it never asks you questions?
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.
100 prisoners are stuck in the prison in solitary cells. The warden of the prison got bored one day and offered them a challenge. He will put one prisoner per day, selected at random (a prisoner can be selected more than once), into a special room with a light bulb and a switch which controls the bulb. No other prisoners can see or control the light bulb. The prisoner in the special room can either turn on the bulb, turn off the bulb or do nothing. On any day, the prisoners can stop this process and say "Every prisoner has been in the special room at least once". If that happens to be true, all the prisoners will be set free. If it is false, then all the prisoners will be executed. The prisoners are given some time to discuss and figure out a solution. How do they ensure they all go free?
Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.
Can you decipher the two rows to find the hidden word?
I possess a head
I flaunt a tail
But I don't have mouth or legs
Can you find out who I am?
Eight of us go fourth, not back, to protect our king from an attack. What are we?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.