What is the smallest number which when diminished by 24, is divisible 5, 10, 15 and 20?	Choose the correct choice from the following answers.
A) 276 B) 84 C) 88 D) 90 E) 342

Rationale: "required number = ( lcm of 5 , 10 , 15 and 20 ) + 24 = 60 + 24 = 84 option b"
Answer: B