There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

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 is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Who is that with a neck and no head, two arms and no hands? What is it?

How can one talk without saying a single word?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?