Question

After getting two successive discounts, a shirt with of Rs. 150 is available at Rs. 105.if the second discount is 12.5%, find the first discount.
A) 25%
B) 12%
C) 15%
D) 20%

Answer 1

I think 20 % . is that right

Answer 2

Answer:

Step-by-step explanation:

Explanation :

Let the first discount be x%

Then , 97.5% of (100 - x)% of 150 = 105

⇒    87.5100×100−x100×150= 105 ⇒ 100−x =(105×100×100150×87.5) = 80

⇒  x= (100−80) =20.

∴      First discount  = 20%