60.5
66
65
68.5
The average of five results is 46 and that of the first four is 45. the fifth result is ?
The average of marks of 28 students in Mathematics was 50; 8 students left the school, then this average increased by 5. What is the average of marks obtained by the students who left the school ?
The average of marks secured by 35 students is 72. If the marks secured by one student was written as 36 instead of 86, then find the correct average?
The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is
The average of numbers 0.64204, 0.64203, 0.64202 and 0.64201 is ?
The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4?
The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4 ?
The average of six numbers is 20. If one number is removed, the average becomes 15. What is the number removed ?
The Average of six observation is 12. The average decreases by 1 when a new observation is included. What is the seventh observation?
The average of ten numbers is 7. If each number is multiplied by 12, then what is the average of the new set of numbers?