Declension table of prasna

Masculine	Singular	Dual	Plural
Nominative	prasnaḥ	prasnau	prasnāḥ
Vocative	prasna	prasnau	prasnāḥ
Accusative	prasnam	prasnau	prasnān
Instrumental	prasnena	prasnābhyām	prasnaiḥ prasnebhiḥ
Dative	prasnāya	prasnābhyām	prasnebhyaḥ
Ablative	prasnāt	prasnābhyām	prasnebhyaḥ
Genitive	prasnasya	prasnayoḥ	prasnānām
Locative	prasne	prasnayoḥ	prasneṣu

Compound prasna -

Adverb -prasnam -prasnāt