Question

find the smallest number of five digits that can be exactly divided by 60,90 and 80​

Answer 1

Answer:

10080 is the smallest five digit number which is exactly divisible by 60,80,90

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

First, we find the LCM of (60,80,90)...

Now, we get the LCM of (60,80,90) = 720

The smallest 5-digit number is = 10000

Let us divide 10000 by it's LCM (720)...

720)10000(13

-720

_______

2800

-2160

_______

640

The required number = 10000 - remainder + LCM

= 10000 - 640 + 720

= 10000 + 80

= 10080

Hence, 10080 is the smallest 5-digit number divisible by 60, 80, 90..

Hope you get it...

Thank you