Question

the greatest possible length which can be used to measure exactly the length 7m,3m85 CM ,12m95 CM is ​

Answer 1

7m = 700 cm

3m 85cm = 385cm

12m 95 cm = 1295cm

700=2×2×5×5×7

385=5×7×11

1295=5×7×37

Required length = H.C.F. of 700 cm, 385 cm and 1295 cm= 35 cm.