Question

A mettalic pipe has bore inner diameter of 5cm the pipe is 2mm thick all araund
Find the weight,in kg ,of 2m of the pipe if 1cu cm of the metal weight 7.7m take pie as 3.14

Answer 1

There are too many resources in the world the all peoples of the earth are using these resources very high rate which results in the depletion of this the depression of the resources in which lead to the very beginning of the Earth and the earth was pulled in the next 20 years which can be late to the

let us consider the situation again given injection 5.1 in which Shakeela put rupees hundred into her daughter money box when she was one year old rupees 750 Honours 2nd birthday and rupees 200 on the 3rd birthday and will continue in the same way how much money is will be collected in the money box by the time by doctor s 21 year old