A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

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 building has the most stories?

Find the missing letter in the last circle logically in the given below picture.

Which alphabet letter is a question?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

When can we add 2 to 11 and get 1 as the correct answer?

You need to remove two matchsticks to make the below equation true. Can you do it ?

There is a place where if I stand up straight, I will still be considered sideways.

Find the next number in the sequence

5 12 24 36 ?