At a party, every second guest gets a wallet, every sixth guest gets a thumbdrive and every seventh guest gets a keychain. What is the position of the fifth guest that will get all three gifts? Give the answer in number(s). (Eg 1)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42
Multiples of 6: 6, 12, 18, 24, 30, 36, 42
Multiples of 7: 7, 14, 21, 28, 35, 42
Position of the first guest that receives all 3 gifts
= Lowest common multiple of 2, 6, 7
= 42
Position of the fifth guest that receives all 3 gifts
= 5 x 42
= 210
Answer(s): 210
