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

Can you place six X (crosses) in below board without making three in a row in any way ?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Which city is three-fifths chick two third cat and 50% goat?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

How could a baby fall out of a twenty-story building onto the ground and live?

Move four matchsticks to the below square to form three squares?