Find the average of the cubes of the first five natural numbers. 

If a shopkeeper buys 2 oranges for Rs.5 and sells 3 for Rs.7 only, then what percentage of loss and loss did he gain?

Directions : A bar graph showing the heights of six mountain peaks is given below. Study the bar graph and answer the questions. 

What is the respective ratio of the heights of the highest peak and the lowest peak? 

The total area of a circle and a square is 5450 cm². The diameter of the circle is 70 cm. What is the difference between the circumference of the circle and the perimeter of the square?

The sum 9 + 16 + 25 + 36 +_______+ 100 is equal to?

By selling a car for ₹ 64,000, Mr. Rao lost 20%. Then the cost price of the car is :

A and B invested 1/2 and 1/3 of the total capital respectively, the remaining part C invested. If there is a profit of Rs. 9696 at the end of the year, then what is the profit of B?

Direction : Each of the questions below consists of a question and two statements numbered I and II are given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and
Give answer
(A) If the data in statement I alone are sufficient to answer the question, while the data statement II alone are not sufficient to answer the question.
(B) If the data in Statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.
(C) If the data in statement I alone or in Statement II alone are sufficient to answer the question.
(D) If the data in both the statement I and II are not sufficient to answer the question.
(E) If the data in both the statement I and II together are necessary to answer the question.

What is the rate of interest p.c.pa?
I. The amount doubles itself in 10 years.
II. The simple interest accrued in 5 years in Rs 5,000.