In an office of 35 employees, the average salary is ₹48,000. One employee earning ₹45,000 resigns, and 4 new employees with an average salary of ₹...
A batsman had an average of 42.8 over 15 innings. In his next three innings, he made 55, 103, and 47 runs. What is his updated batting average?
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
The average of 25 values is 62. The average of the first 13 values is 60, and the average of the last 13 values is 65. If the 13th value is excluded, fi...
There are three distinct numbers ‘p’, ‘q’ and ‘r’. If, p = 150, (p + q) = 450 and (r – q) = 60, then determine the average of p, q and r.�...
The average of a group of observations is 34.4. If every observation is scaled by a factor of 2.5, what will the resulting averag...
The average of 27 numbers is 20.The average of first 13 numbers is 15 and that of the last 13 numbers is 18. What will be the 27th number?
The average weight of a group of 'x' friends increased by 1 kg when a person weighing 61 kg joined them. Later, when two more per...
The average of the first four numbers is 'x+30', the average of the next 10 numbers is 'x', and the average of the remaining 6 numbers is 'x−20'. If t...
Average present age of 'A', 'B' and 'C' is 25 years whereas average present age of 'A', 'B', 'C' and 'D' is 27 years. Three years hence from now, ratio ...