The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:

A 15 cm

B 25 cm

C 35 cm

D 42 cm

Solution

Correct Answer: Option C

Required length = H.C.F. of 700 cm,

385 cm and 1295 cm = 35 cm.