Ans. (b) Explanation: int() returns the integer value of a number, int(2.13) = 2. floor() returns the largest integer lesser or equal to the number, floor(3.777) = 3. ceil() returns smallest integer greater or equal to the number, ceil(-3.12) = -3. fabs() return the modulus of the number, thus fabs(-3.12) = 3.12.