What is next number in the pattern below:

131 517 192 123 ?

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 ?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

Find the hidden panda in the image below.

What do you get if you add 2 to 100 four times?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?