Huner signs in plants are

Hunger sign's in plants are :

Hunger sign's in plants are :

Hunger signs in plants are

What are hunger signs in plants?

Plants show Hunger signs ? Do you agree ?

The number of ways of arranging six + signs and four - signs in a row so that no two - signs occur together is

Insert the sign

In how many ways can 8 stars (**) signs and 6 triangle (Delta ) signs be placed in a row so that no two triangle sign are together ?