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Between two railway staions the fare of 1^(st), 2^(nd) and 3^(rd) class are in the ratio 8:6:3. But later on the fare of 1^(st) and 2^(nd) class is decreased by (1)/(6) and (1)/(12) spectively. In one year the no. of passengers of 1, 2nd and 3rd class are in the ratio for 4:9:24. If total tickets amounting Rs 355600 are sold then find the fare of all 3rd class.

A shot-putt is a metallic sphere of radius 4.9 cm.If the density of the metal is 7.8quad g per cm^(3), find the mass of the shot-putt

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In a class room the ratio of number of girls to that of boys is 3:4 . The average height of students in the class is 4.6feet. If the average height of the boys in the class is 4.8 feet, then what is the average height of the girls in the class?

There are five classes class 1, class 2, class 3, class 4 and class 5 in a school. They are one above the other. Class 1 is at the bottom, then class 2 above it and so on. Five videos M1, M2, M3, M4 and M5 are displayed in these given classes. Only one video is displayed in a particular class. Each video is displayed only one time. Video M5 is displayed at a even numbered class. Video M2 is displayed at class 1. Video M1 is displayed at the class just below M5. Video M4 is not displayed at even numbered class. Which of the following statement is not correct?

The average weight of the boys in a class is 69.3 kg and that of the girls in the same class is 59.4 kg. If the average weight of all the boys and girls in the class is 63.8 kg, then the percentage of the number of boys in the class is:

There are 12 boys and 8 girls in a class (i) In how many ways can a boy be selected? (ii) In how many ways can one boy and one girl be selected?

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.