Define Trees.

In a garden there are orange, apple and mango trees, which type of trees is the most in number? I. There are 3/5 as many mango trees as there are apple trees. II. There are 1/3 as many apple trees as there are orange trees.

At a given point of time, the heights of trees are in proportion to the lengths of the shadows of the trees. A tree of height 25.6 m casts a shadow of 32 m. if the shadow of another tree at that point of time is 48m, then find the height of that tree.

A gardener has to plant trees in rows containing equal number of trees. If he plants in rows of 6, 8, 10 or 12, then five trees are left unplanted. But if he plants in rows of 13 trees each, then no tree is left. What is the number of trees that the gardener plants? (a) 485 (b) 725 (c) 845 (d) None of these