Averages

A library has an average of 510 visitors on Sundays and 240 visitors on other days. Calculate the average number of vis...

The average weight of A, B, and C is 45 kg. If the average weight of A and B is 40 kg, and the average weight of B and ...

The average of four positive integers is 59. The highest integer is 83, and the lowest integer is 29. The difference be...

A student was tasked with finding the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and $$ x $...

In an examination, the average marks of 4 girls and 6 boys is 24. Each of the girls has the same marks while each of th...

There are 4 consecutive odd numbers (x₁, x₂, x₃, and x₄) and three consecutive even numbers (y₁, y₂, and y₃). The averag...

If $A : B = 5 : 6$ and $B : C = 6 : 7$, then find the ratio $A + B : B + C : A + C$....