Logic Puzzles Questions

I am your SISTER.

A bottle has a neck but no head and wears a cap.

The given letters equation states that 

18 H on a GC means 18 Holes on a Golf Course. 

The given letter equation 6 B in an O refers to 6 Balls in an Over.

Here my name "Iron59" means Felix.

Since my father is a chemist he gave code Iron for Fe as chemical symbol for Iron is Fe and my mother is a mathematician she gave 59 for Lix as Roman word for 59 is Lix.

Hence my name is FELIX.

The answer is letter ‘f’.

1 year = 12 months (February = 1 `f`, comes only once in the spelling of all the months)

1 month = 4 weeks (first, fourth = 2 f’s, comes twice in a month)

1 week = 7 days (first, fourth, fifth = 4 f`s, comes 4 times in a week)

1 day = 24 hours (four, five, fourteen, fifteen, twenty-four= 6 f’s, comes 6 times in a day

Here in the above given question, the mistake is "the is reapeated twice" before mistake.