After a 20% discount, the price of a book is Rs 120. What is the original price?
20% छू ट के बाद एक पुस्तक की कीमत Rs120 है। मूल कीमत क्या है?
Answer और ExplanationAnswer and explanation
Answer: (A) 150
1
20% discount के बाद price original price का 80% है।
2
इसलिए original price = 120 / 0.8 = 150 है।
✓
उत्तर (a) 150 है।
1
The price after a 20% discount is 80% of the original price.
2
So the original price is 120 / 0.8 = 150.
✓
The answer is (a) 150.
SMART APPROACH
Sale price को 5/4 से गुणा करो (80% का reciprocal): 120 x 5/4 = 150।
Multiply the sale price by 5/4, the reciprocal of 80%: 120 x 5/4 = 150.
Source: SSC Selection Post (12th) · 25 Sep 2026 · Shift 2। Solution: Prashant Sir, Kavach।Source: SSC Selection Post (12th) · 25 Sep 2026 · Shift 2. Solution by Prashant Sir, from Kavach.