Pallab has exactly 3 times as many Bangladeshi as non- Bangladeshi stamps in his collection. Which of the following cannot be the number of stamps in Pallb's collection?

PSC Post Office Postal Operator DOL Labour Officer/PFWO - 2003 Post Office Postal Operator - 2026 গণিত পূর্ণসংখ্যা (Integer Number)

PSC Primary Teacher ATEO ATEO - 2015 Primary Teacher - 2025 গণিত পূর্ণসংখ্যা (Integer Number)

Southeast Bank Southeast Officer গণিত পূর্ণসংখ্যা (Integer Number)

PSC DLRS – Chainman BCS 32nd BCS Preli - 2012 29th BCS Preli - 2009 BB BB AD - 2004 Primary Teacher Primary Assistant Teacher - 2010 MoEWOE Deputy Assistant Director - 2017 DGNM Midwife - 2017 NSI Field Officer - 2017 BD POST Upazila Postmaster - 2016 BBS Junior Statistical Assistant - 2016 PWD Accounts Assistant - 2016 BRDB URDO - 2015 SIBL SIBL Officer - 2004 PB Pubali Junior Officer - 2013 Jamuna Bank Jamuna Officer - 2004 BADC AAO - 2017 RAKUB RAKUB Senior Officer - 2006 Krishi Bank BKB Officer - 2007 MBL Mercantile PO - 2015 RAKUB Officer - 2017 EBEK Field Assistant - 2018 DSS – Office Support Staff - 2018 DTE – Junior Instructor - 2018 DYD Cashier - 2018 BREB AGM (Finance) - 2018 NATP – Field Assistant - 2019 SESIP – Assistant Inspector - 2019 MOFL – Field Assistant - 2019 Secondary Teacher Govt Secondary Teacher - 2019 MOFA – Personal Officer - 2019 Primary Assistant Teacher - 2019 DSHE – UDA - 2021 পিএলআই – সাঁটমুদ্রাক্ষরিক ও কম্পিউটার অপারেটর - 2022 ACC Court Inspector - 2022 Grameen Bank PO - 2023 BPSC Junior Instructor - 2023 TGTDCL – Technician/Sales Assistant - 2023 Primary Assistant Teacher - 2024 CAAB – Office Assistant cum Computer Typist - 2024 NRBC NRB Officer - 2024 DLRS – Copyist-Cum-Bench Assistant - 2025 PDBF – Field Officer - 2025 DLRS – Chainman - 2025 UGC Assistant Director - 2026 গণিত পূর্ণসংখ্যা (Integer Number)

PSC DLRS – Chainman গণিত পূর্ণসংখ্যা (Integer Number)

PSC PDBF – Field Officer BCS 32nd BCS Preli - 2012 29th BCS Preli - 2009 BB BB AD - 2004 Primary Teacher Primary Assistant Teacher - 2010 MoEWOE Deputy Assistant Director - 2017 DGNM Midwife - 2017 NSI Field Officer - 2017 BD POST Upazila Postmaster - 2016 BBS Junior Statistical Assistant - 2016 PWD Accounts Assistant - 2016 BRDB URDO - 2015 SIBL SIBL Officer - 2004 PB Pubali Junior Officer - 2013 Jamuna Bank Jamuna Officer - 2004 BADC AAO - 2017 RAKUB RAKUB Senior Officer - 2006 Krishi Bank BKB Officer - 2007 MBL Mercantile PO - 2015 RAKUB Officer - 2017 EBEK Field Assistant - 2018 DSS – Office Support Staff - 2018 DTE – Junior Instructor - 2018 DYD Cashier - 2018 BREB AGM (Finance) - 2018 NATP – Field Assistant - 2019 SESIP – Assistant Inspector - 2019 MOFL – Field Assistant - 2019 Secondary Teacher Govt Secondary Teacher - 2019 MOFA – Personal Officer - 2019 Primary Assistant Teacher - 2019 DSHE – UDA - 2021 পিএলআই – সাঁটমুদ্রাক্ষরিক ও কম্পিউটার অপারেটর - 2022 ACC Court Inspector - 2022 Grameen Bank PO - 2023 BPSC Junior Instructor - 2023 TGTDCL – Technician/Sales Assistant - 2023 Primary Assistant Teacher - 2024 CAAB – Office Assistant cum Computer Typist - 2024 NRBC NRB Officer - 2024 DLRS – Copyist-Cum-Bench Assistant - 2025 PDBF – Field Officer - 2025 DLRS – Chainman - 2025 UGC Assistant Director - 2026 গণিত পূর্ণসংখ্যা (Integer Number)