I shave every day, but my beard stays the same. What am I?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

What goes up but never comes down?

Take away the whole and some still remain. What is it?

Who has married many women but was never married?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

A man dies of old age on his 25 birthday. How is this possible?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?