QuantSolve

Three Sandwiches, Two Fathers, Two Sons

Brain Teasers
Logic Puzzles
Easy
Two fathers and two sons share exactly three sandwiches so that each gets one whole sandwich. How is this possible?
Solve it interactively Generate similar problems
Hint 1

Could one person be counted twice?

Hint 2

A father can also be a son.

Show worked solution

  1. 1. Overlap

    The middle person is both a father and a son.

  2. 2. Conclusion

    Grandfather, father and son are three people, so three sandwiches suffice.

  3. 3. Key idea

    Check whether categories overlap before counting.

Answer: There are only three people: grandfather, father and son

Related roles: Browse quant jobs

Related problems