What begins with T, ends with T, and has T in it?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?