Harmeet told her classmates that there is a muscle that is cylindrical , branched and uninucleate . It show rhythmic extension and contraction throughout its life . What is the name of that muscle?
Roohi travel 300 km to her home partly by train and partly by bus. She takes 4 hrs if she Travel 60 km by train and the remaining by bus. If she travel 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the average speed of bus and train separately.