Question

The price of an item is increased by p% and later it is decreased by
p%. If present price is Rs. 1, then what was the original price of the
item ?
​

Answer 1

Step-by-step explanation:

X * (100-p)(100+p)/10000 =1

X*(10000 -p²)/10000. =1

X. =. 10000/10000 - p²