पेड़ों से जुड़ी 10 रोचक बातें | 10 Unknown Facts About Trees | Tree Facts In Hindi | #shorts

Class 10 English | First Flight - The Trees | Important Questions and Quick Revision

While working 7 hours a day, A alone can cut 35 trees in 15 days. In how many days A can cut 10 trees working 5 hours a day?

An observer at a distance of 10 m from a tree looks at the top of the tree , the angle of elevation is 60^(@) . What is the height of the tree ? ( sqrt(3) = 1 .73 )

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