If all the given statement are false, then the information will be as follows (i) S > 40 years (ii) S is 1, 2, 3, 4 or 5 years older than M and M ≠ 38 years (hi) M< 39 years According to the information and from options, Ms age can be of 36 or 37 or 39 years. And S's age can be of 40 or 41 or 42 or 43 or 44 years. Hence, exact age of M and S cannot be determined,