There are 4 consecutive odd numbers (x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub> and…

The mean of the first ten even natural number is-

The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If th…

The average of 25 results is 18. The average of first 12 of those is 14 and the average of last 12 is 17. What is the 13…

The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 run…

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55 and 60, then the average marks of…

The average age of 20 boys in a class is 12 years. 5 new boys are admitted to the class whose average age is 7 years. Th…

The average weight of three boys A, B and C is $$\frac{{163}}{3}$$ kg, while the average weight of three boys B, D and E…