1 votes 1 votes In an examination, the score in each of the four languages – Bengali, Hindi, Urdu and Telegu- can be integers between 0 and 10. Then the number of ways in which a student can secure a total score of 21 is (A) 880; (B) 760; (C) 450; (D) 1360. Combinatory combinatory + – . asked Feb 23, 2017 retagged Jun 27, 2017 by Arjun . 1.6k views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply Akriti sood commented Feb 27, 2017 reply Follow Share is the answer 880?? 3 votes 3 votes Madhab commented Mar 12, 2020 reply Follow Share Yes @Akriti sood .But how?Can you please explain that? 0 votes 0 votes Sourajit25 commented Mar 12, 2020 reply Follow Share Use Generating Function concept and find the coefficient of $x^{21}$ in $(1+x+x^{2}+x^3 + ...+ x^{10})^4$ ,you'll get $880$ . Reference 1 votes 1 votes Please log in or register to add a comment.