Ajay Kumar Solutions for Chapter: Numerical Ability, Exercise 3: Practice set

The average of $6$ numbers is $3.95$. The average of two of them is $3.4$, while the average of the other two is $3.85$. What is the average of the remaining two numbers?

The average of four positive integers is $72.5$. The highest integer is $117$ and the lowest integer is $15$. The difference between the remaining two integers is $12$. Which is the higher of these two remaining integers?

The average age of Ashutosh, Bansi and Chintu is $26$ years. If the average age of Ashutosh and Chintu is $29$ years, what is the age of Bansi in years?

The average weight of $10$ boys is more than the average weight of $15$ girls by $5$ kg. If the total weight of the $10$ boys is $550$ kg, what is the average weight of the $10$ boys and $15$ girls together?

The average of five consecutive odd numbers is $47$. What is the product of the first and fourth number?

The total of the ages of a class of $75$ girls is $1050$ years, the average age of $25$ of them is $12$ years and that of another $25$ is $16$ years. What is the average age of the remaining girls?

The average weight of a class dropped from $65$ kg to $62$ kg when a student weighing $77$ kg was out of the class. How many students are there in the class now?

Let $A=\frac{1^{13}+2^{13+}{3}^{13}+....+{100}^{13}}{100}, B=\frac{1^{13}+3^{13}+5^{13}....+{99}^{13}}{50}, C=\frac{2^{13}+4^{13+}{6}^{13}+...+{100}^{13}}{50}$

Which of the following is true?