Question

The single discount which is equivalent to two successive discount of 20% and 25% is –

(a) 40%
(b) 45%
(c) 5%
(d) 22.5%

Answer 1

(a) 40%

Let marked price be MP, after discount 1 of 20%,

Comparing with formula, we get 

∴ This is equivalent to a single discount of 40%.