By what number should
be multiplied so that the product may be equal to 
?
Let the number 
shlould be multiplied by 
According to the question:
= 
[Using 
-n = 
]
[Using 
]
Therefore 
should be multiplied by 
9
By what number should be multiplied so that the product may be equal to ?
Let the number shlould be multiplied by
According to the question:
=
[Using -n = ]
[Using ]
Therefore should be multiplied by