Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present
Can you find out how many presents were opened by Candy?
There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.
If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.
Will you accept that bet?
using four eights (8) and a one (1) and one mathematical symbol , create the number 100
There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?
Find the last number in the series below:
voN luJ yaM raM ---
An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.
How will he do it?
A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.
In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?
Your job is to measure 45 minutes if you have only two cords and matches to light the cords.
1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.
Describe your way of measuring the 45 minutes.
Find the Next Number in the Sequence
2 9 3 1 8 4 3 6 5 7 ?
Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.
When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.
Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?
John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.
