The G.C.D. of 1.08, 0.36 and 0.9 is:

• A. 0.18
• B. 0.9
• C. 0.03
• D. 0.108

Answer: (A)

 Given numbers are 1.08, 0.36 and 0.90.   H.C.F. of 108, 36 and 90 is 18, H.C.F. of given numbers = 0.18.