alleryতিনটি গুণফল জোড় এবং একটি বিজোড়। বিজোড় গুণফলটি নির্ণয় করুন।
A2 × 7
B4 × 9
C3 × 5
D6 × 11
Answer & Solution
Correct answer: C. 3 × 5
কেবল 3 × 5 দুটি বিজোড় সংখ্যাকে গুণ করে, এবং একটি বিজোড় গুণ একটি বিজোড় সর্বদা বিজোড় হয় (15)।
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