Search questions

A cyclist travels from City A to City B at an average speed of 40 km/h and takes 8 hours. If they want to complete the same journey in 5 hours, by what amount (in km/h) must the average speed be increased?

The average weight of 13 people is 65 kg. If one person leaves and the new average becomes 65.5 kg, what is the weight of the person who left?

The average of 8 numbers is 56. When one number is removed, the average becomes 54. What number was removed?

The average salary of 20 workers in a factory is ₹48,000. If the salary of a supervisor is added, the average rises to ₹49,500. What is the supervisor's salary?

The average of a certain number of quantities is 38. If 7 is added to each quantity, what will be the new average?

A cricketer has played 10 innings with an average score of 50. In the next innings he scores 110. What will be the new average?

In a company, the average salary of 3 junior employees is ₹25,000 and that of 2 senior employees is ₹50,000. What is the combined average salary?

An investor tracks 6 stocks. Five of them have an average return of 7%. If the overall average return is 10%, what was the return on the sixth stock?

The average age of 5 students in a class increases by 2 years when a 40-year-old teacher joins them. What was the original average age of the students?

Three groups of students have average marks 60,70 , and 80 respectively. The number of students in these groups are 30,50 , and 30 . What is the combined average of all students ?

A teacher calculated the average marks of 20 students in a test as 65 . Later, she found that the marks of one student were wrongly entered as 45 instead of 85 . After correcting the error, what is the correct average mark of the class?

The average of 17 numbers is 32 . If each number is doubled and then 8 is added to each, what will be the new average ?

A batsman typically scores 50 runs in 30 innings. To raise his average by two, how many runs does he need to score in the thirty-first inning?

The average marks of 10 students in a mathematics test are 73.5. Later, it was found that one student's score was misread as 45 instead of 54. After correcting this error, another student's marks were removed for being invalid, and the average of the remaining 9 students rose to 76.2 . Find the marks of the student whose score was removed.

The average of 8 numbers is 25 . If two numbers 35 and 45 are removed, what is the new average of the remaining numbers?

A factory hired 10 workers and found that their average productivity per day was 43.75 unit. Later, 3 more workers were hired. The average productivity of all 13 workers then became 46.5 units. However, one of the new 3 workers made 50.2 unit daily, and another made 46.4 unit daily. What is the daily productivity of the third new worker?

The average of 15 numbers is 30 . If 5 is added to 40% of the numbers and 3 is subtracted from the remaining 60% of the numbers, what will be the new average?

The average of 7 consecutive odd natural numbers is 39. Previous 7 consecutive odd natural numbers to these 7 odd natural numbers are also included. What will be the average of newly added numbers ?