It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

What two things can you never eat for breakfast?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Replace the question mark with the correct number in below Picture:

Which wheel of car does not rotate when you turn your car right?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.