Aptitude Hack#37(1-4-19)

Question:

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

A) 15 cm

B) 25 cm

C) 35 cm

D) 42 cm

Answer: C) 35 cm

Explanation:

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