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B is 24 years more than the average age of his two friends whose total age is 40 years. Present age of B = 24 + (40/2) = 44 years Present age of A = (3/4)×44 = 34 years Required difference = 44 – 33 = 11 years
The marks scored by a boy in three subjects are in the ratio 3 : 5 : 6. Boy scored an overall aggregate of 70% in the exam. If the maximum marks in each...
A person spent 25% of his monthly income on food and 62% of the remaining on rent. If amount spent on rent is Rs 930, then find the amount spent ...
The income of ‘A’ increases by 33% every year. If the present income of ‘A’ is Rs. 35378 and his expenditure 2 years ago from now was Rs. 14580,...
If two successive discounts of 20% and 12% are applied, what would be the equivalent single discount?
In a class of 60 students and 15 teachers, each student got gifts that were 40% of total number of l7students and each teacher got gifts that were 30% o...
In a school with 800 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
In a group of 100 people, 70 like coffee, 50 like tea, and 30 like both coffee and tea. How many people in the group do not like either coffee or tea?...
Income of A is twice the income of B. B and A spend 65% and 75% respectively of their incomes. Find the savings of A, if B saves Rs. 7000 in a month.
A spent 30% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 20% and 30% to his mother and brother, respec...
The boys and girls in a college are in the ratio 4:3. If 15% of the boys and 22% of the girls are adults, the percentage of students who are not adults ...
