SSC MTS (AVERAGE) NUMERICAL APTITUDE QUIZ

The average salary of all the employees in a workshop is ₹ 18,000. The average salary of 7 technicians is ₹ 24,000 and that of the remaining employees is ₹ 12,000. What is the total number of employees in the workshop?

The average run rate of a cricketer in 48 innings is 33 . His highest score exceeds his lowest score by 144 runs. If these two innings are excluded, the average run rate of the remaining 46 innings is 30 . What is the highest score of the player?

The average weight of 14 boys in a class is 40.25 kg and that of the remaining 10 boys is 35.15 kg. Find the average weight of all the boys in the class.

The average weight of a certain number of persons in a group is 78 kg. If 4 persons having average weight 80.75 kg leave the group, the average weight of the remaining persons becomes 77.725 kg. The number of persons, initially, is:

The average of 19 numbers is 58 . The average of the first 12 numbers is $63.6$ and the average of the last 8 numbers is $55.1$. If the 12 th number from the beginning is excluded, then what is the average of the remaining numbers?

The average price of 10 books is ₹ 150 , while the average price of 8 of these books is ₹ 135. Of the remaining 2 books, if the price of one book is 40% more than the price of the other book, then what is the price of the costlier of these two books?

The average of three numbers a, b and c is 63 . If the first number ' a ' is three-fourth of the sum of b and c, then the first number ' a ' is equal to:

There are five numbers. The average of the first four numbers is $\frac{5}{6}$ of the fifth number. If the average of all the five numbers is 26 , then what is the fifth number ?

If the average of the following six observations: $x+2, x+5, x+8$, $x+11, x+14$ and $x+17$ is $12.5$, what is the average of the first three observations?