There are as many codes as there are ways of filling 4 vacant places in succession by the first 10 letters of the English alphabet, keeping in mind that the...
1 Answers 1 viewsTotal students = 25 % of students good in English = 72% No. of students good in English = 72% of 25 = 72/100 × 25 = 1800/100 = 18 No. of students not good...
1 Answers 1 viewsSolution: Let the marks in Maths be x. Then, the marks in English will be 30 - x. According to the question, (x + 2)(30 - x - 3) = 210 (x + 2)(27 - x) = 210 ⇒ -x2 + 25x + 54 = 210 ⇒ x2 - 25x + 156 = 0 ⇒ x2 - 12x - 13x + 156 = 0 ⇒ x(x -...
1 Answers 1 viewsJose mourinho
1 Answers 1 viewsLet H be the set of people who speak Hindi, and E be the set of people who speak English ∴ n(H ∪ E) = 400, n(H) = 250, n(E) =...
1 Answers 1 viewsLet U be the set of all students in the group. Let E be the set of all students who know English. Let H be the set of all students who know...
1 Answers 1 viewsMahatma Gandhi thought the English education developed a sense of inferiority among Indians. Many English educated Indians began to ape the Western ways of life; after getting educated in English....
1 Answers 1 viewsSome leaders believed that English should be done away with and Hindi should be promoted as the national language. But this idea was opposed by the leaders from non-Hindi areas....
1 Answers 1 viewsLet H be the set of people who speak Hindi, and E be the set of people who speak English ∴ n(H ∪ E) = 400, n(H) = 250, n(E) =...
1 Answers 2 viewsLet U be the set of all students in the group. Let E be the set of all students who know English. Let H be the set of all students who know...
1 Answers 1 views