Description for Correct answer:
Total age of Sachin and Saurabh =36 x 2 = 72 yr

Let age of Saurabh = x yr

Then, age of Sachin = (x + 8) yr

According to the question,
x + x + 8 = 72
2x = 64
X = 32

Hence, Saurabh's present age = 32 yr