HCF of two number is 3 and their LCM is 21 if one number is 7 the other number is? a) 1, b)3 c)7 d)9
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1
the answer is option b....
Priyanshu31072002:
No ans is option d.
Answered by
2
Answer:as we all know the multiplication of HCF and LCM is equal to the multiplication of the given number so..
Let the another no be =A
LCMxHCF=product of NUM
3x21=7xA
63/7=A
9=A
So the another number is 9
Step-by-step explanation:
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