Averages, Ratio and Proportion Test 2


For the following questions answer them individually

Q 1

If $$\frac{a}{b}=\frac{9}{17}$$, what is the value of $$\frac{2.5a+3b}{5.5a-2.5b}$$

Q 2

A dishonest milkman dilutes milk by adding water. He has 90 liters of milk with him initially and he adds 10 liters of water to make the total solution 100 liters. He sells 10 liters of the solution and adds water again to make the solution 100 liters. He continues this process and in total, he adds water 5 times. Find the percentage of pure milk in the final solution.

Q 3

In a group of 15 men, Mahesh is married and Suresh is a bachelor. Excluding Mahesh and Suresh, there are 7 married people and n bachelors in the group. Including Suresh but excluding Mahesh, there are m married people and p bachelors in the group. What is the value of (m + n + p)?

Q 4

The mean and median of five natural numbers is 6. The only mode is 10. What is the sum of the highest and lowest numbers?

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Q 5

In India, there are two kinds of athletes, amateur athletes and elite athletes. Amateur athletes spend an average of Rs. 20,000 per year and constitute 70% of the total athletes. If the average expenditure of all the athletes is Rs. 29,000, what is the average expenditure of elite athletes?

# Name Overall Score
1 Abhinaba Dey 15
2 Abhishek Anshu Das 15
3 deewakar chowdhury 15
4 Ishu Uppal 15
5 Dominic Joseph 15
6 sandeep abbugari 15
7 Vishal Galav 15
8 haimanty nath 15
9 Samin 15
10 Bijeta Borah 15

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