# Marked price of a dress is Rs.4000. Shopkeeper offers 15% discount on it and again offers 10% discount on new price...

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The marked price of a dress is Rs.4000. A shopkeeper offers 15% discount on this shirt and then again offers 10% discount on the new price, and then and then again offers 5% discount on the new price . How much will you have to pay, finally?

posted Oct 13, 2017

you have to pay Rs. 2907
4000-15%=3400
3400-10%=3060
3060-5%=2907
finally, you have to pay Rs. 2907

Use the formula x+y-(x*y/100) where x and y are the successive discount percentages. Here they are 15% and 10%. So by using the formula, we obtain
15+10-15*10/100= 23. 5. Here 23. 5 is the new discount%
Now 23. 5% of 4000 is 940 and the new price is 4000-940=3060 . Also with another discount of 5% on 3060 i.e 153, final price is 3060-153= 2907

2907 rs I had to pay to shopkeeper as final rupees

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