What does this below rebus puzzle mean?

What does this mathematical rebus means ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What is next number in the pattern below:

131 517 192 123 ?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

What kind of band never plays music?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?