Tissues - Animal & Plant Tissues | Class 9 One-Shot Easiest Lecture | Class 9 Science Ch 6 | 2021-22

Ratio of First ,Second and Third Class train fares between two stations was 8:6:3 .First Class and Second Class train fares are reduced by 1/6 and 1/12 repectively .Ratio of no of passengers in first, second and third class in a year is 4:9:24 .From a stattion total sale of ticket of Rs. 355600 .First the amount collected from first class .

If there are two sections of class SSC in Mother 's Coaching , section A says if some of students of section B will join us then ratio of students of class A to that of class B becomes 4:9 , but if some of our classmates goes to section B then according to govt .rule one school can take max 200 students in one class (in cluding all sections) then total number of studets in class SSC.

The following sercies show marks in Statistics of 9 students in Class XI . Find the median marks. {:("Marks",22,16,18,13,15,19,17,20,23):}

The average age of 30 students of a class is 14 years 4 months. After admission of 5 new student in the class the average becomes 13 years 9 months. The youngest one of the five new students is 9 years 11 months old. The average age of the remaining 4 new students is :