The correct option is A 10
Cost of 20 eggs before the price hike = ₹100
Cost of 1 egg before the price hike = 100 ÷ 20 = ₹5
The price of an egg is increased by ₹4.
So, the present cost of 1 egg = 5 + 4 = ₹9
₹9 is estimated to be around ₹10.
So, for ₹100, around 10 eggs(₹100÷10) can be bought.