- The earnings of ‘U’, ‘V’, and ‘W’ are in the ratio 2:3:5. Their average income is Rs. 18,000. If they spend 45%, 55%, and 65% of their respecti...
In a team of 25 players, the average age is 26 years. One player aged 24 left and five new players with an average age of 28 years joined. When the coac...
A number is such that when it is multiplied by 6, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
Average of four numbers is 21. Sum of smallest and largest number is 53. If difference between other two numbers is 1, then find the square of second sm...
The average expenditure of a man for the first 5 month is Rs.4000 and for the next 7 months is Rs.6000. If he saves 10000 in that year then find his ave...
The average weight of x persons is 33 kg. The average weight of (x−16) women is 45 kg, the average weight of (x−30) children ...
What is the average of the squares of the first 29 natural numbers?
There are 15 numbers such that average of first 12 numbers is 25 while the average of last five numbers is 44. Find the 12th number, if the ratio betwee...
A student scored marks with a certain average in the first 12 tests. In the next 6 tests, he scored with an average of 78 marks, due to which his overal...
The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class beco...
