What is next number in the pattern below:

131 517 192 123 ?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

I purchased an awesome ice cream cone having 5 different flavour scoops.
Five flavours are pistachio, mint-chip, strawberry, marshmallow, and raspberry

I will give u some clues so that you can figure out the order of flavours from bottom to top.
1. The bottom flavour of the cone has 10 letters.
2. The marshmallow scoop is between the pistachio and the mint-chip scoop.
3. marshmallow is the raspberry scoop but below the mint-chip scoop.

So can you figure out the flavour of ice cream in order from bottom to top?

During which month do people sleep the least?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Find the value of "?" in the ball picture Riddle below:

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

If 1+9+8=1, what is 2+8+9?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

Remove two matchsticks to make the below equation correct.