Question:
A shopkeeper gives two successive discounts of 20% and 10%. Equivalent single discount?
एक दुकानदार 20% और 10% की दो क्रमिक छूट देता है। समतुल्य एकल छूट?
Options:
- a) 28%
- b) 29%
- c) 30%
- d) 27%
- a) 28%
- b) 29%
- c) 30%
- d) 27%
correct answer : a)
Explanation:
=100 – (80×90)/100 = 100-72=28%.
100-(80×90/100)=100-72=28%।