Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?

Answer: Option C

Let three consecutive odd numbers be x, x + 2 & x + 4
x(x + 2)(x + 4) = 1287
Let take x = 9, x + 2 = 11 & x + 4 = 13 satisfy the equation
Therefore,
Largest number = 13