QuestionIn a class of 68 students, 34 students participated only in Debate and 8 students participated in both Quiz and Debate. If every student of the class has participated in at least one of these two competitions, how many students participated only in ...

QuestionThe average marks of eight students in the Mathematics exam are 75. If the highest and lowest marks are removed, then the average marks become 80. If the ratio of the highest marks to the lowest marks is 3 : 1, then the highest marks are what percentage of the sum of the marks obtained by ...

QuestionRanjan in his ODI Cricket career, scored 15 runs on an average in 10 matches. If he scored 14 runs on an average in the first 4 matches and 12 runs on an average in the last 4 matches, then find the average of the runs scored by him in the remaining 2 ...

QuestionTwo numbers, A and B, are such that the sum of 3% of A and 6% of B is four-fifth of the sum of 4% of A and 6% of B. Find the ratio of A + B and A – B?Typemultiple_choiceOption4 : 5incorrectOption6 : 5incorrectOption7 : 5correctOption5 : 6incorrect Solution : A : B = 6:1 ...

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