This thread is dedicated to preparation for classes 3rd to 10th for CBSE board.
If 0.pqpqpqpq.... = 5/55, then what is the value of pq?
This thread is dedicated to discuss general queries for CBSE class 3rd to 10th.
It takes 12 hours to fill a swimming pool using two pipes. if the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter is used for 9 hours, only half of the pool is filled. How long would each pipe take to fill the swimming pool?
Important material for final exams
A cylinder of mass 10 kg is rolling perfectly on a plane of inclination 300. Find he force of friction between cylinder & surface of inclined plane