Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

How many triangles can you find in this given picture?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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

Find the next number in the series.
1 10 24 43 67 ?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Find out the number of circles in the given picture having Illusion