What is next number in the pattern below:

131 517 192 123 ?

What does the below rebus riddle means?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

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

Who always enjoys poor health?

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.

Can you name four days which start with the letter 'T'?

How is the moon similar to a dollar?

You see me once in June, twice in November, and not at all in May. What am I?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?