Question

Ravi sold a pen set with marked price Rs 140 for rs 105 find the discount and discount percent offered by him

Answer 1

Hey dear friend

Discount=Marked Price - selling price
Discount =140-105
Discount=35rs

Discount percent
=discount/marked price*100
=35/140*100
=1/4*100
=25%

So the discount=35Rs and discount percent=25%offered by him

perfectly fine pure correct answer
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Answer 2

m.p.=₹140
s.p.=₹105
discount=140-105
=₹35
dis%=(dis/m.p.)×100
=(35/140)×100

$\frac{35}{140} \times 100 = 25$
25% is the required discount percent and ₹35 is the discount.