At a party, every fourth guest gets a pen, every eighth guest gets a mug and every tenth guest gets a wallet. What is the position of the second guest that will get all three gifts? Give the answer in number(s). (Eg 1)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Multiples of 8: 8, 16, 24, 32, 40
Multiples of 10: 10, 20, 30, 40
Position of the first guest that receives all 3 gifts
= Lowest common multiple of 4, 8, 10
= 40
Position of the second guest that receives all 3 gifts
= 2 x 40
= 80
Answer(s): 80
