19 - 1= 20. How is …

19 - 1= 20. How is it possible?
  • 2 answers

Pooja Ranjna 1 month, 3 weeks ago

In roman numerical 20 is written as XX

Gaurav Seth 1 month, 3 weeks ago

1. We can multiply both the sides with zero to equalise them.

2. We can use roman numbers to prove this.

19 is written as XXIX

1 is written as I

20 is written as XXX

So, we can write it as:


Hence, it is proved that 19-1= 20.

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