What price should Kiran mark on a sari, which costs Rs 3000 so as to gain 20% after allowing a discount of 10%?

Purchase price = Rs. 3000

Let the price marked on the Sari be x

After 10% discount, Kiran still makes 20% gain.

After discount, the price of the Sari = (100-10) %*x = 90% of x = 0.9x

Then,

(0.9x - 3000) / 3000 = 0.2

0.9x - 3000 = 3000*0.2 = 600

0.9x = 3000+600 = 3600

x = 3600/0.9 = 4000

Therefore, priced marked on Sari should be Rs. 4000.