Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

You can see it everyday, But cannot touch it at will. What is it?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

What is both possible and impossible at the same time?

What is more useful when it is broken?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

What word does this rebus represent?

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