A student finds the average of 10 positive integers. Each integer contains two digits. By mistake, the boy interchanges …

A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must …

In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thi…

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…

The average age of 3 children in a family is 20% of the average age of the father and the eldest child. The total age of…

The average of n numbers x<sub>1</sub>, x<sub>2</sub>.....x<sub>n</sub> is $$\overli…

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to…

The average weight of A, B and C is 40 kgs. Weight of C is 24 kgs more than A’s weight and 3 kgs less than B&rsquo…