A student was getting the following four offers on the purchase of a book:
I - Two successive discounts of 20% and 20%
II - Two successive discounts of 25% and 15%
III - Two successive discounts of 30% and 10%
lV - Two successive discounts of 5% and 35%
Which scheme offers the most discount to the student?
1
III
2
II
3
l
4
IV