when a obj. crosses a 5m mark below the top of a building….a 2nd object is released at tat time which is 25m below the top…n den they reach the ground simultaneously…wat is the height of the building??????(
In most schools NCERT Textbook Vol – I will be taken as the portion for Half yearly exam.
The mark distribution as per CBSE is like this
1 mark x 8 questions = 8 marks