The average age of a class of 20 girls is 12 years. If 4 new girls having average age of 9 years join the class, then the average age of the class becomes:
The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
- A football player had an average of 57 goals per season for the first 20 seasons. In the following 5 seasons, his average goals were ‘x’ per season, le...
- Given that the average of 21, 38, 62, 53, 35, and 'x' is 48, what is the value of 'x²'?
- The average of series 'S4', which consists of 6 consecutive even numbers, is 21. The second term of series 'T4', which consists of 5 consecutive odd number...
The average score obtained by 22 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
- In a town, the average rainfall for the first four days of a week was 105 cm, while the average for the last four days was 112 cm. If the weekly average ra...
In a village, the average rainfall for the first four days of a week was 132 cm, and for the last four days it was 128 cm. If the weekly average rainfal...
The average number of books sold by Viren in first 5 months is 3500 and in first 6 months is 4300. If the number of books sold by him in 7th ...
The average temperature for the 30 days of April was 32°C. If the first 10 days of the month are excluded, the average temperature for the remaining da...
