The mean high temperature of the first four days of a week is 25°C whereas the mean of the last four days is 25.5&de…

A student obtained the following marks in percentage in his semester examination English 50, Maths 65, Statistics 70, Ec…

The average age of 30 students of a class is 14 years 4 months. After admission of 5 new students in the class the avera…

Six tables and twelve chairs were bought for Rs. 7800. If the average price of a table is Rs. 750, then the average pric…

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the…

A man bought 13 articles at Rs. 70 each, 15 at Rs. 60 each and 12 at Rs. 65 each. The average price per article is -

Find the average of the following sets of scores:<br>385, 441, 876, 221, 536, 46, 291, 428

The average daily income of 7 men, 11 women and 2 boys is Rs. 257.50. If the average daily income of the men is Rs. 10 m…