The workers are cutting down the trees.

Worker bees are

The total number of trees in forest Pand Q is 560 .After (3)/(7) of the trees in forest P and 100 trees in forest Q are cut , the ratio of the number of trees in P to Q becomes 1:4 .Find the number of trees in forest Q before the cutting of threes .

Worker Bees are :

Observe this image of a cut section of the tree . What would be the approximate age of this tree ?

In a company, 75% of the workers are skilled and the remaining are unskilled 84% of skilled workers and 28% of unskilled workers are permanent. If the number of temporary workers is 180, then the total number of workers in the company is :

What is a long-term effect of cutting down larger areas of rainforests?