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If the product of HCF and LCM of two natural nos is 378000 then which of the following can b their HCF: a) 66 b) 130 c) 34 d) 20

do we know at least one of the nos?


D)20 HCF* LCM = a* b where a and b are the numbers
LCM = a* b whole divided by HCF
Only when the HCF is 20 we get a proper value for LCM. For the rest of the options the LCM are in decimal form.
Therefore the HCF must be 20 in this case.
2 3 2
ya I know dis 1 bt how can v say dat ans ll b in decimal
kk sorry I got it
what ever
your welcmn
I think the answer will be [d] 20

1 4 1
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