1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was (a) 25        (b) 45      (c) 50      (d) 100

180 oranges are distributed among 70 boys and girls such that each boy gets 2 and each girl gets 3 oranges.The number of boys are (a) 25 (b) 30 (c) 40 (d) 70

A total of 57 sweets were distributed among 10 children such that each girl gets 6 sweets and each boy gets 5 sweets. The number of boys is :

There are b boys and g girls in a class and the average of number of boys and the number of girls is 18. Then b+g=_____

The average age of all the students of a class is 18 years. The average age of boys of the class is 20 years and that of the girls is 15 years. If the number of girls in the class is 20, then find the number of boys in the class. (a) 15 (b) 30 (c) 45 (d) 50