On 2007, What was the date of last Saturday in May month?

Answer: Option C

1 - May - 2007
$$\begin{array}{rl}& =\frac{1+2+7+1+6}{7}\\ & =\frac{17}{7}\\ & =3\\ & =\text{Tuesday}\end{array}$$
= May 1^st → Tuesday + 5 days = Saturday = 5^th may
5^th may + 7 days = Saturday = 12^th may
12^th may + 7 days = Saturday = 19^th may
19^th may + 7 days = Saturday = 26^th may
= Answer = 26^th may