The average age of P, Q and R is 15 years more than R's age. If the total age of…

If the arithmetic mean of 7, 5, 13, x and 9 is 10, then the value of x is :…

The average of runs of a cricket player of 10 innings was 32. How many runs must he make in…

The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the…

The average of runs of a cricket player of 10 innings was 32. How many runes must be made in…

Nine persons went to a hotel for taking their meals. Eight of them spent Rs.12 each on their meals and…

The average score of a cricketer for ten matches is 38.9 runs. If the average for the first six matches…

The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the…

Distance between two stations A and B is 778km. A train covers the journey from A to B at 84km…

There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average…