The HCF of three numbers is 8 and their LCM is 1680. If two of the numbers are 56 and 120, what is the third number?

A 80

B 112

C 140

D 168

Solution

Correct Answer: Option B

*সঠিক উত্তর: b) 112
-তৃতীয় সংখ্যাটি হবে (1680 × 8) ÷ (56 × 120) = 112।

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