vedantsurkar255 Asked: December 2022 An iron pipe 20 cm long has exterior diameter equalto 25 cm. If the thickness of the pipe is 1 cm, find
vedantsurkar255 Asked: December 2022 in an ap the sum of first ten terms is 150 and the sum of its next ten terms is 550 find the ap 63a3de8b8c2d0