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 -

In an engineering college the average salary of all engineering graduates from Mechanical trade is Rs. 2.45 lacs per ann…

The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of t…

The mean temperature of Monday to Wednesday was 37°C and of and of Tuesday to Thursday was 34°C. If the temperat…

The average of the first five multiples of 9 is:

The average age of group of 20 girls is 15 years and that of another group of 25 boys it is 24 years. The average age o…

Four years ago, the average age of A and B was 18 years. At present the average age of A, B, and C is 24 years. What wou…

Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is …