R. S. Aggarwal Solutions for Chapter: Percentage, Exercise 3: Exercise

Three candidates $\mathrm{A},\mathrm{B},\mathrm{C}$ participated in an election. A gets $40\%$ of the votes more than $\mathrm{B}; \mathrm{C}$ gets $20\%$ votes more than $\mathrm{B};$and, $\mathrm{A}$ overtakes $\mathrm{C}$ by $4,000$ votes. If $90\%$ voters voted and no invalid or illegal votes were cast, then what will be the number of voters in the voting list?

In a competitive examination there were $5$ sections, $10\%$ of the total number of tal number of students cleared the cut off in all the sections, and $5\%$ cleared none of the sections. From the remaining candidates $30\%$ cleared only section$-1.$ Also, $20\%$ cleared only section$-3$ and remaining $1,020$ candidates cleared only section$- 4.$ How many students appeared in the competitive exam?

Monthly salaries of Pia and Som are in the respective ratio of $5:4.$ Pia, from her Pia, from her monthly salary, gives $\frac{3}{5} \mathrm{th}$ to her mother; $15\%$ towards her sister's tuition fees; $18\%$ towards a loan and she shops with

The difference between $63\%$ of a number and $45\%$ of the same number is $342.$ What is $78\%$ of that number?

If twenty-five per cent of three-seventh of twenty-six per cent of a number is $136.5.$ What is the number?

Two third of Ranjit's monthly salary is equal to the Raman's monthly salary. Raman's monthly salary is $30\%$ more than Pawan's monthly salary. Pawan's monthly salary is $Rs. 32,000$. What is Ranjit's  monthly salary?

In a class there are $60$ students out of which $15$per cent are girls. Each girl's monthly fee is $₹ 250$ and each boy's monthly fee is $34$ per cent more than a girl. What is the total monthly fee of girls and boys together?

In a Class$-\mathrm{X}$ of $30$ students, $24$ passed in first class; in another Class-Y of $35$ students, $28$ passed in first class. In which class was the percentage of students getting first class more?