Question

Decipher the clues and do the math

1) Sides on an octagon x Sides on a Pentagon
2) Dalmatians + Hours in a day
3) Planets in the solar system x Circles of hell
4) Beverly Hills zip code + Value of a Benjamin ($)
5) Baker's dozen + Score
6) Ways to leave a lover - The loneliest number
7) Shades of grey x Years in a century
8) Days in a leap year/Number required to tango
9) Space Odyssey + Arabian Nights
10) Stoner's favourite number/Legal drinking age (US)
11) Apocalypse horsemen x Deadly sins
12) Stages of grief x Olympian Gods
13) Big ten teams + Apostles of Jesus
14) Thieves encountered by Ali Baba x Blind mice
15) Novel by Orwell - White House street address
16) Cards in a deck (no jokers) - Original US states
17) Bottles of beer on the wall/Sheets to the wind
18) Leagues Under the Sea + Snow White dwarfs
19) Year England won the World Cup - Year of the Battle of Hastings
20) Jackie Robinson's number - The answer to life, the universe, and everything

Answer 1

1) Sides on an octagon x Sides on a Pentagon - 8 x 5 = 40
2) Dalmatians + Hours in a day - 101 + 24 = 125
3) Planets in the solar system x Circles of hell - 8 x 9 = 72
4) Beverly Hills zip code + Value of a Benjamin ($) - 90210 + 100 = 90310
5) Baker's dozen + Score - 13 + 20 = 33
6) Ways to leave a lover - The loneliest number - 50 - 1 = 49
7) Shades of grey x Years in a century - 50 x 100 = 5000
8) Days in a leap year/Number required to tango - 366/2 = 183
9) Space Odyssey + Arabian Nights - 2001 + 1001 = 3002
10) Stoner's favourite number/Legal drinking age (US) - 420/21 = 20
11) Apocalypse horsemen x Deadly sins - 4 x 7 = 28
12) Stages of grief x Olympian Gods of - 5 x 12 = 60
13) Big ten teams + Apostles of Jesus - 14 + 12 = 26
14) Thieves encountered by Ali Baba x Blind mice - 40 x 3 = 120
15) Novel by Orwell - White House street address - 1984 - 1600 = 384
16) Cards in a deck (no jokers) - Original US states - 52 - 13 = 39
17) Bottles of beer on the wall/Sheets to the wind - 99/3 = 33
18) Leagues Under the Sea + Snow White dwarfs - 20000 + 7 = 20007
19) Year England won the World Cup - Year of the Battle of Hastings - 1966 - 1066 = 900
20) Jackie Robinson's number - The answer to life, the universe, and everything - 42 - 42 = 0