Subject
Quantitative Aptitude
Topic
Number
Which of the following must be odd?I. Even x Even II. Odd x Odd III. Even + Odd
Which of the following must be odd?I. Even x Even II. Odd x Odd III. Even + Odd
ক)
Noneখ)
I onlyগ)
II and III onlyঘ)
I and III onlyঙ)
I, II and IIIExplanation
-Even x Even (জোড় × জোড়): এর ফলাফল সবসময় জোড় সংখ্যা হয়, কখনোই বিজোড় হয় না। যেমন: 2 × 4 = 8 (জোড়) -Odd x Odd (বিজোড় × বিজোড়): দুটি বিজোড় সংখ্যার গুণফল সবসময় বিজোড় হয়। যেমন: 3 × 5 = 15 (বিজোড়) -Even + Odd (জোড় + বিজোড়): একটি জোড় সংখ্যার সাথে একটি বিজোড় সংখ্যা যোগ করলে ফলাফল সবসময় বিজোড় হয়। যেমন: 2 + 3 = 5 (বিজোড়)Related questions
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