the product of 3 consecutive numbers is 210 . then the sum of the smallest two numbers is ?  Choose the correct choice from the following answers
A) 11	B) 15	C) 20	D) 38	E) 56

Rationale: product of three numbers = 210 210 = 2 * 3 * 5 * 7 = 5 * 6 * 7 . so , the three numbers are 5 , 6 and 7 . and sum of smallest of these two = 5 + 6 = 11 . answer : option a
Answer: A