AFCAT MATHEMATICS (AVERAGE) QUIZ-8

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Question 1:

Aman has twice as many toffees as Shanti, Shanti has $50 \%$ more toffees than Khushi. If average number of toffees that they have is 165 , then Aman has how many more toffees than Khushi.

Question 2:

In an organization number of males and females are 145 and 116 respectively. Average Age of females and males are $28.5$ years and $31.2$ years respectively. The average age (in years) of all males and females is:

Question 3:

There are 36 students in hostel. If number of students increase by 9 , then the expenses of the mess increased by ₹45 per day while the average expenditure per head diminishes by Rs 2 . Find the Original expenditure of the mess.

Question 4:

What is the average of all numbers between 500 and 600 which are divisible by 13 ?

Question 5:

The average of four consecutive even numbers W, X, Y and Z respectively (in increasing order) is 37. What is the product of X and Y?

Question 6:

Find the average of $\frac{1+2^{2}+3^{2}+\cdots 10^{2}}{1+2+3+\cdots 10}$

Question 7:

The marks of a student were entered as 88 instead of 68 . Due to this, the average marks of the class increased by $0.5$. What is the number of students in the class?

Question 8:

The average temperature for Monday, Tuesday, Wednesday was $30^{\circ} \mathrm{C}$ and for Tuesday, Wednesday and Thursday the average temperature was $33^{\circ} \mathrm{C}$. Accordingly, if Monday's temperature was $32^{\circ} \mathrm{C}$ then what was the temperature on Thursday?

Question 9:

A family consists of two parents and three children. If the average age of the parents is 36 years and that of the children is 10 years. Find the average age (in years) of the family.

Question 10:

A set consists of 5 consecutive integers starting from 3 . What is the percentage decrease in the average of the set when the greatest integer is removed from the set?