00:01
So, in this question given is an item, an item is 40 % of the regular price, the regular price and sold and sale items and sale items are an extra 40%, an extra 40 % of the sale price, that part is given in this question.
00:36
For the first part we have to, we are solving here.
00:39
Now if i was the manager's position, the manager's position, then i told that there is two successive discount, successive discount at, of 40 % but, but two successive discount, but two successive discount, discount of 40 % is not equal to, is not equal to a single discount, a single discount of 80%.
01:34
So for prove this, let's take a example, example, let regular price, let normal or regular price of any product is rs.
01:46
200.
01:48
Now after 40%, after 40 % discount, the regular price is equals to 200 into 100 minus 40 divided by 100, so that is equal to, that is equal to 120.
02:06
Right? now another 40 % discount, another 40 % discount, then we get 120 into 100 minus 40 divided by 100, so we got 72 here.
02:22
Now after another 40 % discount, find that, that is 72 rs.
02:29
Only 140 % we have got 120, another 40 % we got 72.
02:35
Now after 80 % discount, then we have 200 into 100 minus 80 divided by 80, then we get, then we get 40 here.
02:51
So after two successive discount, we got the price was 72 and after only single discount of 80%, we got the price, that is 40...