In an examination the average marks of Rohit is 55. If he got 15 more marks in science and 27 more marks in maths then his average would have been 62. F...
The average age of 22 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
Average weight of a team of 10 persons is 30 kg. When one more person joins the team, the average weight of the team increases by 3 kg. Find the weight ...
The average age of a group of 50 students is 16 years. If 3 students whose ages are 18 years, 26 years, and _____ years are replaced by 3 new students w...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 55 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
In an examination the average marks of Rohit is 54. If he got 18 more marks in science and 22 more marks in maths then his average would have been 58. F...
The average age of 13 girls is 40 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
The average age of a group of seven children is 10 years. From the group, two children, whose ages were 5 years more and 3 years more than the average a...
The total number of students in class X and Y is 72. The number of students in X is 40 more than that in Y. The average marks of students in Y are 50% m...
