Subject
Bank Exam
Topic
EXIM Bank Ltd. - Trainee Assistant Officer - (10.01.2020) 2019 [IBA, DU]
If n is even, e=which of the following cannot be odd ?
If n is even, e=which of the following cannot be odd ?
ক)
n + 3খ)
3( n + 1 )গ)
2(n+3) +3ঘ)
n2- 1ঙ)
2(n + 3 )Explanation
প্রশ্নে বলা হচ্ছে যে, n একটি জোড় সংখ্যা হলে নিচের কোনটি বিজোড় হতে পারে না ? n একটি জোড় সংখ্যা এখানে, ( n + 3 ) সংখ্যাটি অবশ্যই বিজোড় । কিন্তু বিজোড় সংখ্যাকে 2 দ্বারাগুণ করলে [ 2(n+3) ] তা অবশ্যই জোড় হবে । অর্থাৎ 2(n+3) বিজোড় হবে না ।Related questions
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ENORMOUS