Question

what is the greatest length of a tape whose Ho length can be used the number of time to measure the length. 56 cm and 140 cm exactly please tell me ans mujhe bekar and pasand nahi hai to mujhe ache se ans dena please

Answer 1

Answer:

prime factorisation

56=2x2x2x7

140=2x2x5x7

common=2x2x7=28

therefore length of tape= 28cn

Answer 2

Answer:

basically question is asking to calculate the LCM so it can measure 56cm as well as 140cm

LCM of 56 and 140 is 28

so the length of tape will be 28cm.

hope it helps