3 പേന വാങ്ങിയാൽ 1 പേന വെറുതെ കിട്ടുമെങ്കിൽ ഡിസ്കൗണ്ട് ശതമാനം എത്ര ?
A
B75%
C50%
D25%

A
B75%
C50%
D25%
Related Questions:
A mobile company has a prepaid pack of validity 28 days.To get 15% or more profit, the company thinks about the following strategies
1) Reduce the package validity period to 21 days
2)increase the package validity to 30 days, increase the price by 20%
3)increase the price by 10% reduce the validity to 24 days.
What is more correct about these strategies?