If HCF a- b -LCMa- b-84 and b-21 then a- -A- 4B- 2C- 3D- 1

The correct option is A 4 a is given by dividing 84 by 21. That is a is 4. ...

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Byju's Answer

Standard VI

Mathematics

Factors of a Number

If HCF a, b ×...

Question

If HCF (a, b) × LCM (a, b) = 84 and b = 21 then a = ?

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Solution

The correct option is B
4

a is given by dividing 84 by 21. That is a is 4.

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If HCF (a, b) × LCM (a, b) = 84 and b = 21 then a = ?

The correct option is B 4 a is given by dividing 84 by 21. That is a is 4.

The correct option is B
4

a is given by dividing 84 by 21. That is a is 4.