A marked price of a shirt and a trouser are in the ratio 7: 13. the shopkeeper: gives 28.56% discount on the shirt and some percent discount on the trouser which is equal to a total discount of 18.18% on the set of a shirt and a trouser the discount offered on the trouser i s.
(a) 12.6%
(b) 17.5%
(c) 12%
(d) 30%
Sol:
