একটি কোণের দ্বিগুণ ৬০° হলে তার পূরক কোণ কত? 

Combined Bank Combined Banks Officer Cash গণিত পূরক কোণ (Complementary angle)

PSC BREB Assistant Store Keeper গণিত পূরক কোণ (Complementary angle)

BUET NESCO Sub-Station Assistant গণিত পূরক কোণ (Complementary angle)

PSC BPO Eastern Postal Operator DSS Assistant Teacher - 2017 RAKUB RAKUB Officer - 2011 DSHE – Office Sohayak - 2021 DG Food – Sprayman - 2022 DLS Office Assistant - 2023 BREB – Assistant Director - 2025 ATEO Primary Education Officer - 2016 BPO Eastern Postal Operator - 2026 গণিত পূরক কোণ (Complementary angle)

PSC FSA – MFA – Admin Officer গণিত পূরক কোণ (Complementary angle)

IBBL IBBL Officer PSC MOHFW – Office Assistant Cum-Computer Typist - 2019 MOHFW – Office Assistant Cum Computer Operator - 2019 BMET – Office Sohayok - 2023 IBBL Officer - 2017 গণিত পূরক কোণ (Complementary angle)