For the following questions answer them individually
Sonam bought an old motor bike for Rs. 4675 and spent Rs. 225 on its repair. Then she sold it in Rs. 5390. What is her profit percent?
Average price of 20 pens is Rs. 18. If 12 new pens are added, then the average price rise by Rs. 4. What is the total price of the new pens?
A can do a piece of work in 16 days. B can do the same work in 24 days. A started the work alone. After bow many days should B join him, so that the work is finished in 10 days?
A alone can do a piece of work in 30 days. He worked at it for 5 days and then B alone finished the remaining work in 10 days. In how many days B alone can finish the entire work?
The average expenditure of Raman for 5 days is Rs. 160. If his expenditure for the first 4 days is Rs. 90. Rs. 135, Rs. 75 and Rs. 180 respectively, then what is his expenditure on the 5th day?
In the isosceles triangle, if the ratio of equal side and unequal side 5:7 and its perimeter is 34 cm, then what is the length of equal side?
The following table shows the marks obtained by five students in six different subjects.
How much percent are scored by Isha in aggregate?
The ratio of the expenditure and savings of a person is 4 : 3. His expenditure increases by 1/4 of his initial savings and his income increases by Rs. 300. If his savings remains the same, then what is his initial expenditure?
After 55 years, a sum invested at simple interest at the rate of r percent becomes twice of itself. What is the value of 'r'?