Who always enjoys poor health?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

What does below Rebus say?

XLR8

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

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

Can you count the number of lines in the below picture?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?