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

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What is both possible and impossible at the same time?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

No matter how little or how much you use me, you change me every month. What am I?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Which is the rope you never skip with?