The average age of 7 members of a family is 40 years. In the family, there are three men, three women and one boy. If the average age of three men is 48 years and average age of three women is 44 years, then the age of the boy is:
The average of marks obtained by A and B is 15 less than that of average marks obtained by B and C. If the marks obtained by C is 65, What is the marks obtained by A?
The numbers of students in section A and section B of a class are 50 and 62, respectively. The average score in mathematics of all students is 75. If the average score of students in section A is 20% more than that of students in section B, then what is the average score of students in section A (correct to
one decimal place)?
A cricketer whose bowling average is 12.4 runs per wicket, takes 5 wickets for 26 runs in the next innings and thereby decreases his average by 0.4. The number of wickets taken by him till the last match was
In a class of 60 students, 40% are girls. The average weight of the boys is 62 kg and that of the girls is 55 kg. What is the average weight of the whole class?
The average of 25 numbers is 64. The average of the first 13 numbers and that of the last 13 numbers are 62.8 and 72.2, respectively. If the 12th number is 61, and if the 12th and 13th numbers are excluded, then what is the average of the
remaining number (correct to one decimal place)?
Average of 7 consecutive odd numbers is 31. If the previous and next odd number to these 7 odd numbers are also included, then what will be the new average?
There is a number consisting of two digits, the digit in the unit's place is twice than digit in the ten's place and if 2 subtracted from the sum of the digits, the difference is equal to 61th of the number. The number is-
The average age of a cricket team of 11 player is 27 year. If two more players are included in the team the average become 26 years. Then the average age (in year) of the two included player is:
There is a group of 8 teachers. One teacher leaves the group and a new teacher joins the group. Due to this the average age of teachers becomes same as the average 2 years ago. If the member who left was aged 42 then what is the age (in years) of new teacher?
The average score in Mathematics of 90 students of section A and B of class IX was 63. The number of student in A were 10 more that those in B. The average score of student in A was 30% more than that of students in B. The average score of students in B is:
In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys if the class average is 42 marks?
The average age of 120 students in a group is 13.56 years. 35% of the number of students are girls and the rest are boys. If the ratio of the average age of boys and girls is 6 : 5, then what is the average age (in years) of the girls?
The ratio of the number of players in the three cricket teams A, B and C is 2 : 5 : 3. If the ratio of number of runs scored per player for each of the three teams A, B and C, is 30 : 17 : 25 respectively, then what is the average number of runs scored per player across all the three teams collectively?
The number of students in a class is 75, out of which 3331% are boys and the rest are girls. The average score in mathematics of the boys is 6632% more than that of the girls. If the average score of all the students is 66, then the average score of the girls is:
