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In Triangle, QRT, <QTR = 90 ,  [ angle at semi-circle.] <QRT + <RQT = 90 or, 65 + <RQT = 90 or,< RQT = 25 <QPT =<RQT , angle on the same arc. So, < QPT = 65. Hope your answer is .....

Activity is an ordered series, showing which element will replace another element. For example, in a solution of copper sulfate in water, a piece of iron quickly becomes coated with copper as the iron displaces copper from the solution .....

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Solution: Here, 2.3x [4.5 + 2(3.2x - 1.5)] = 2.5x + 27.61 or, 2.3x [4.5 + 6.4x - 3] = 2.5x + 27.61 or, 3.45x + 14.72x2 = 2.4x + 27.61 or, 14.72x2 + 1.05x - 27.61 = .....

You have to count the total number of electrons in the outermost shell to know the group to which the element belongs.  When the electronic configuration is given in terms of sub-shells (s,p,d,f), the sub-shells with largest cofficient belong .....

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Asia is the largest continent. It is known as the land of diversities. Definitely, there is diversity in terms of climate. The climates found in Asia are: - Tropical climate - Sub-tropical - Temperate - .....

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Climatic conditions of Nepal vary from one place to another in accordance with their geographical features. In the north, summers are cool and winters severe, while in the south summers are tropical and winters are .....

We live in a modern world. Modern world is characterized by the invention of modern technologies. These technologies have been an inseparable part of human's life. And, these technologies need electricity for its operation. In addition, the .....

Here, To find product of 2x²+6x-10&9x-10, (2x² + 6x -10)(9x - 10) = 2x2( 9x - 10) + 6x ( 9x - 10) - 10( 9x - 10) = 18x3 - 20x2 + 54x2 - 60x - 90x + 100 = 18x3 + 34x2 - 150x + 100, which is .....

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