A principal increase by 50 percent in five years at the rate of simple interest. What will be the compound interest for 3 years at Rs 20,000 with the same interest rate?

Study the given pie-chart and answer the question that follows.

The pie-chart shows the percentage distribution of the number of different types of chocolates distributed by Akanksha to the residents of a children's home, as percentages of all the chocolates taken together, that were distributed by her to these residents.

The average number of chocolates of Dairy Milk, 5-Star and Snickers taken together is equal to the number of chocolates distributed of which of the given types?

72 grams is what percent of 3.6 kilograms?

By what least number should 4320 be multiplied so as to obtain a number which is perfect cube? 

Bananas are bought at 3 for Rs. 2 and sold at 5 for Rs. 4. Find the gain or loss percent.

If $$ {x^{12}+x^{3}\over {x^{6}}}=0$$ find $$ {x^{36}+{1\over x^{36}}}$$

Two years ago, the ratio of the age (in years) at A and B was 2:3. The ratio of their respective ages, three years from now, will be 3:5. What will be the ratio of respective ages of A and B, 6 years from now?

Direction : Each of the questions below consists of a question and three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. 

Area of a square is equal to the area of a circle. What is the circumference of the circle?
I. The diagonal of the square is 8 inches.
II. The side of the square is 12 inches.