The total Surface area of a solid hemisphere is 1039.5 cm². The volume ( in cm³) of the hemisphere is: (Take π=22/7)

The following penalty diagram shows the 4 year exam results of the students of 10th standard. Study the diagram and answer the following questions.

Name the number of students who appeared in the 10th standard examination in the year 2002-

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is , then the rise in the water level in the tank will be:

When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

Find the value of  

A bar graph shows unit production and unit sold of the different type of mobile company A, B, C, D E and F. Study the bar graph and give the answer of following questions.

What is the difference between unit produced and unit sold of Mobile C Company?

A shopkeeper cheats to the extent of 10% while buying and selling fruits, by using tampered weights. His total gain , in percentage is:

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 two-digit number?
I. Sum of the digits is 6.
II. Digit in the ten’s place is double the digit in the unit’s place.