For the following questions answer them individually
What is that rate of simple interest at which a sum of money becomes three times of itself in 36 years?
If the radius of a cylinder is decreased by 12 percent, then by how much percent its height must be increased, so that the volume of the cylinder remains same?
On Selling a which at 5/6 of the marked price there is a loss of 10 percent. What will be the ratio of the marked price and cost price of the which?
When 20 percent of a number is added to 160, then the result is that number only. What is the value of the number?
A sum of Rs.6000 is divided into two parts. The annual simple interest on the first part at the annual rate of 10 percent is equal to the annual simple interest on the second part at the annual rate of 15 percent. How much is the interest on each part for one year?
In a mixture of 55 liters, the ratio of acid to base is 7:4, how much base must be added to make the mixture ratio 4:3 ?
The pie chart given below shows the number of bikes sold by 8 different companies. The total number of bikes sold by all these 8 different companies are 15000. The number of bikes sold by a particular company is shown as a percent of total number of bikes sold by all these 8 different companies.
Which of the following statement is NOT correct?
I. The value of central angle formed by sector A, C and D together is $$170.8^\circ$$.
II. The value of central angle formed by sector B, E, F and H together is $$169.2^\circ$$.
The ratio of incomes of Manish and Pankaj is 13 : 7. If Pankaj gets Rs. 6000 less than Manish, then what is the total income of Manish and Pankaj?