The average weight of 25 employees in an office increases by 0.8 kg when the weight of the manager is included. If earlier the average weight of the emp...
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.�...
A bowler gives 15.2 runs per wicket. He gives 32 runs and takes 4 wickets in the last match after which his average becomes 14.4 runs per wicket. How ma...
The average number of books sold by Viren in first 5 months is 3800 and in first 6 months is 4600. If the number of books sold by him in 7th ...
The average age of 18 children and their teacher's age are 15 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age?
- The mean weight of 20 athletes is 70.2 kg. If weights of two athletes are excluded, the mean of the remaining becomes 69.5 kg. Calculate the average weight...
- The average of two numbers ‘U’ and ‘V’ is 420 such that they are in the ratio 4:2 respectively. Another number ‘W’ is 180 more than ‘V’ and...
The ages of 4 members of a family are in the year 2011 are ‘X’,’X+6’,’X+12’ and ‘X+18’. After some years Oldest among them was dead then...
The combined average number of pens with persons ‘B’ and ‘C’ is 75% of the combined average number of pens with persons ‘A’ and ‘D’. The...
Virat Kohli's strike rate after facing 'b' balls is 120. In the subsequent 15 balls, he scores an additional 39 runs, leading to ...
