Is something like मेरी माँ को भूख लगी हैं acceptable? (Tried it but rejected so I made a mistake somewhere.)
Sounds good to me. Actually, it is better than 'मेरी माँ भूखी हैं' which may mean 'my mother is starving'.
And sometimes people use it like पैसो की भूखी है I. I mean in a wrong way.
भूखा has negative connotations. For just being hungry, it's better to use the set phrase भूख लगना
No it is kind of wrong mening
Right is मेरी मां को भूख लगी है।
"Bhooki" isn't the greatest word to use. It means less hungry and moreso, ravenous and/or famished.
Definitely. Both भूखी and प्यासी should be changed to the forms using the auxiliary verb लगना. They are not really appropriate translations for 'hungry' and 'thirsty'.