TWO MOTHERS AND TWO DAUGHTERS WENT OUT TO EAT EVERYONE ATE ONE BURGER YET ONLY THREE BURGERS WERE EATEN IN AL RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

18

More hours => more burgers.
More boys => more burgers.

The time become twice (3 hours / 1.5 hours).
Boys become six times (9 / 1.5).

Number of burgers = 2 * 6 * Original(1.5)
= 18 Did you answer this riddle correctly?
YES  NO  

There was a grandmother, mother, and a daughter. Did you answer this riddle correctly?
YES  NO  

Mars bar. Did you answer this riddle correctly?
YES  NO  

Patty! Did you answer this riddle correctly?
YES  NO  

There are only 3 people
There's a grandmother her daughter and granddaughter. Did you answer this riddle correctly?
YES  NO  

A pack of cards Did you answer this riddle correctly?
YES  NO  

Corn Did you answer this riddle correctly?
YES  NO  

They ordered three cups, one for each person. The grandmother is also a mother and the mother is also a daughter.

Another solution: They ordered two cups. Both are mothers and daughters and one is a grandmother. Did you answer this riddle correctly?
YES  NO  

Nep-tunes. Did you answer this riddle correctly?
YES  NO  

Because they spend years at C! Did you answer this riddle correctly?
YES  NO  

'Cause she is in "Wonderland. Did you answer this riddle correctly?
YES  NO  

It wanted better buns. Did you answer this riddle correctly?
YES  NO  

There are 11 letters in "THE ALPHABET." Did you answer this riddle correctly?
YES  NO  

Eat alphabet soup. Did you answer this riddle correctly?
YES  NO  

Monday would be payday because it contains the first part of MONey. People would of course cook on Friday day because You FRI things when you cook. Did you answer this riddle correctly?
YES  NO