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Question 1:

The expenditure of Renu is $120 \%$ more than her savings. If her income and expenditure increase by $25 \%$ and $30 \%$, respectively, then her savings increase by:

Question 2:

What is the single discount equivalent to a series of discounts of $40 \%$ and $20 \% ?$

Question 3:

The seats for Mathematics, Physics and Computer Science in a school are in the ratio 7:8:9. These seats are proposed to be increased by 60%, 50% and 70% respectively. What will be the ratio of increased seats ?

Question 4:

In a class, 20% of the students are under 10 years of age. The number of students who are more than 10 years old is one third of the number of students who are 10 years old. If there are 24 students who are 10 years old, then how many students are there in the class?

Question 5:

If 280 % of 160 $-$ 25 % of 720=y % of 200 , then what is the value of y ?

Question 6:

Find the value of x in the following equation.

 45 % of 360+30 % of 400=25 % of x

Question 7:

Due to the festive season, a shopkeeper offers 20% discount. Another discount of 5% is offered to customers who make a purchase of more than ₹5,000. Anupam purchased items marked for ₹7,500. How much did he save?

Question 8:

A batsman scored 124 runs, which included 6 boundaries and 10 sixes. What percentage of his total score did he make by running between the wickets?

Question 9:

A loss of $10 \frac{1}{2} \%$ gets converted into a profit of $11 \frac{3}{5} \%$ when the selling price is increased by ₹ $132.60$. The cost price (in ₹) of the article is

Question 10:

In an election between two candidates, 8 % of the votes were invalid. The winning candidate got 60 % of the total valid votes and won the election by 5888 votes. How many voters were registered?