m ও n বিজোড় সংখ্যা হলে নিচের কোনটি জোড়?
Solution
Correct Answer: Option B
ধরি,
m = 3,
n = 5
mn = 3 × 5 = 15
mn + 1 = 15 + 1 = 16
mn + 2 = 15 + 2 = 17
mn + 4 = 15 + 4 = 19
m = 3,
n = 5
mn = 3 × 5 = 15
mn + 1 = 15 + 1 = 16
mn + 2 = 15 + 2 = 17
mn + 4 = 15 + 4 = 19
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