(d) \(\frac{1}{12}\)
Total number of exhaustive cases in a single throw of two dice = 6 × 6 = 36
Doublets are obtained as (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)
Number of doublets of odd numbers = 3
\(\therefore\) Required probability = \(\frac{3}{36}\) = \(\frac{1}{12}\)