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The area of the United States of America is 9,629,091 Sq km. Write the area in words. => 9 million, 62 thousand, 991 or 96 million, 29 thousand, 91 or 9629 thousand, 91 or 9 million, 629 thousand, 91..

It is a vector having unit magnitude. It is used to denote the direction of a given vector. Any vector can be expressed in terms of its unit vector a in the following way the magnitude of the vector Therefore, if a given vector is divided by its magnitude, we get a ..

>The capacity of any differentiated cell with an active nucleus, to give rise to an entire organism, is called totipotency. Totipotency is well expressed in plant cells and is lost in several types of animal cells because of a high degree of specialization. Every living cell is involved in the flow..

A doctor wishes to mix together two kinds of food, X and Y, in such a way that the mixture contains at least 10 units of vitamin A, 12 units of vitamin B and 8 units of vitamin C. The vitamin contents of one pound of food are shown. One pound of food X costs ..

Harry is at the point B and his brother is at the point E. He wants to meet his brother. Which of the following represents his way to reach the point E ? => move 3 units west and 4 units north or move 4 units east and 3 units south or move 3 un..

A particle moves along a straight line with the relation between the time and distance ( s ) in such a way that s = 9 - 5 t 2 + 10 t 3 . At what time will the acceleration be 230 units/sec 2 ? => 300 sec or 1 4 sec or 4 sec or 11 3 sec or 280 sec..

Number of ways of filling hundred's place = 2 Number of ways of filling ten's place = 2 Number of ways of filling unit's place = 2 By the fundamental principle of counting, the total number of numbers = 2 x 2 x 2 =..

From time immemorial man is using the wind energy to propel a boat. A large sheet of canvas is used in such a way that the wind falls on it. Sail Boat The sheet is called the sail. In a single sail, if the wind is not blowing in the desired direction, the sail becomes useless. This proble..

Introduction to Grammar - Grammar may be roughly defined as the way a language manipulates and combines words (or groups of words) in order to form longer, meaningful units..

Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial United Sta..