Question

a={x:x is aletter of word 'pear'} b=set of digits in the number 7568896​

Answer 1

Answer:

Step-by-step explanation:

List price=₹450

GST paid=₹81

Therefore,

GST%=list price×100/GST

=₹(450×100/81)

= 18% GST

So GST% charged was 18%

Answer 2

Answer:

P,a,E,r ≠ 7568896

Step-by-step explanation:

I hope it helps