What is next number in the pattern below:

131 517 192 123 ?

What can go up a chimney down, but can’t go down a chimney up?

What has a bottom at the top?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

what does this below rebus represent identXQQQQQME

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?