Replace the question mark with the correct number in the below-given picture?

What kind of tree can you carry in your hand?

By using 'because' continuously three times, can you make an English statement ?

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

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

What does it mean?

What occurs twice in a week, once in a year but never in a day?

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?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Solve the mathematical equation in the picture below.