اللَّهُمَّ إِنِّي أَسْتَوْدِعُكَ مَا قَرَأْتُ وَمَا حَفِظْتُ وَمَا تَعَلَّمْتُ، فَرُدَّهُ عَلَيَّ عِنْدَ حَاجَتِي إِلَيْهِ
Allahumma inni astawdi'uka ma qara'tu wa ma hafiztu wa ma ta'allamtu, faruddahu 'alayya 'inda hajati ilayh
Ya Allah, ina ajiyar maka abin da na karanta da abin da na haddace da abin da na koya. Ka mayar da shi gare ni lokacin da nake bukatarsa.
Recite after finishing studying
This dua asks Allah to preserve what you learned and help you recall it when needed, especially during exams.