Mixture and Alligation
1/10
+ 1 , - 0.25

QUESTION 1.

Rishav sells two types of books national books and international books .He sells national books at Rs. 18 / book and incurs at loss of 10% whereas on selling the international books at Rs. 30 / book ,he gains 20 % .Find the ratio of the national and international books such that he can gain a profit of  25% by selling the combined books at 27.5 per book ?

QUESTION PALLET

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