Students and Teachers Forum

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28th November, 2017. Kathmandu, Babarmahal. Dear Sir,               I would like to draw your attention towards the most challenging issue that has been engulfing most of the innocent and poor people of the .....

Certainly, human organ transplantation is very important for the sake of patient's life. And, it is done officially by the certified experts of a respective hospital. But, human organ trade can be considered as an illegal activity that needs .....

  5 + 16/8 = 5 + (2 x 8)/8    [ note: 16 = 2 x 8]  = 5 + 2 x 1        [ If you divide the number by same number you will get 1] = 5 + 2 = .....

Could you please try d and .....

Differences between heredity and variation: 1. Heredity is the transmission of characters from one generation     to successive generations or from parents to their offsprings, whereas      variation is the visible .....

 The bearing of A from B is 065º. Then, bearing of B from A is .....

Optics is the scientific study of light. It is a branch of physics that covers the behavior and properties of light. Optics is all about light: how it's generated, propagated, and .....

In light or optics, image, the apparent reproduction of an object, formed by a lens or mirror system from reflected, refracted, or diffracted light waves. There are two kinds of images, real and virtual. In a real image the light rays actually .....

When light hits a surface, some of it is absorbed and some of it is reflected. The light that is reflected is the colour of the object in that light. For example, a blue object absorbs all the colours of the spectrum except blue: it reflects blue .....

Family planning allows people to attain their desired number of children. It is achieved through use of contraceptive methods. contraceptive method is a method or a device which a woman uses to prevent herself from becoming .....

Firstly calculate the volume of cylinder, i.e. base area X height of the cylinder, = 100 X 3 .....

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These sense organs are eyes, nose, ears, tongue and skin. Eyes - Eyes gives us the sensation of sight. Nose - Nose gives us the sensation of smell. Ears - Ears gives us the sensation of hearing. Tongue - Tongue gives us the sensation of .....

We have given,  f(x) = (2x + k) and ff(4) = 10, We need to  find the value of k. For this,   ff(4) = 10 or, f ( 2 . 4 +k) = 10 or, f(8 + k ) = 10 or, 2( 8+k) + k = 10 or, k = - .....

There are two common ways for this to occur: 1) Via heat: magnetic materials will lose their magnetism if heated above a point . At this point, the energy being put into the magnet from the heat will permanently disrupt the magnetic domain .....

A battery can change chemical energy to electricity by putting certain chemicals in contact with each other in a specific way. Electrons, which are small parts of an atoms, will travel from one kind of chemical to another under the right .....

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The flow of charge or change in concentration of charge is called electricity. It is of two types i.e. current electricity and static electricity. The current electricity is produced when there is flow of charge. Static electricity is caused by .....

A fuse is made up of a piece of metal that melts when overheated; a circuit breaker has an internal switch mechanism that is tripped by an unsafe surge of electricity. Fuses tend to be quicker to interrupt the flow of power, but must be replaced .....

1. Magnets attract objects of iron, cobalt and nickel. 2. The force of attraction of a magnet is greater at its poles than in the middle. 3. If we freely suspend a magnet it will always face towards north south .....

Sex Determination: You know that humans have 23 pairs of chromosomes. Out of 23 pairs, one pair is the sex chromosome. Females have two X chromosomes and males have one X and one Y chromosome. Thus, the sex of the child is determined by the .....

 Alcohol expands and contracts roughly linearly with temperature. The main reason to use a certain liquid to fill the thermometer is this nice property. Although mercury is a much better detector of heat since it is metal, alcohol is not .....

It occupies the region 50 km to 80 km above the surface of the Earth. It lies above the troposphere and stratosphere, and below the thermosphere. In mesosphere, different kinds of gases are all mixed together in the air. Two main gases found in .....

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The International Date Line is an imaginary line of navigation on the surface of the Earth that runs from the North Pole to the South Pole. The International Date Line is located halfway around the world from the prime meridian, i. e., 0o longitude .....

In the third sentence, when you try to fill the appropriate preposition, what do you think, which one will suit and sound good? Is it 'by' ? Try it .....

indissolubly --- that can not be ended  prophesized --- estimated  occult ---- connected with magicity  benighted --- without benefited  blandly ---- .....

Baby lizard is called as .....

A baby lion is called .....

Here, let  y be the angle,  So,  y - y x 9 / 10 = 16 or, y / 10 = 16 or, y = 160g Converting it into degrees/,  y = 160 x 9 / 10 = .....

Obviously, we all Nepalese are familiar with earthuake. Earthquake is the sudden shaking of the earth's surface. Well,the main reason for generation ofearth quake is movement of tectonic plates. Earth is divided into several tectonic plates .....

The managed migration helps in population management in the following ways: If migration is managed properly, there will be no unequal distribution of population. It there is an equal distribution of population, there is the smooth availability of .....

Family planning refers to the practice of controlling to giving birth to too many children. It also refers to the practice of controlling a number of child one has. Due to these activities, population management gets helped in the following .....

Water melons and coconut trees prefer hot, sunny locations with fertile, well drained soils They’ll grow well in the soil that is loose and drains really well. You know particles in sandy soil are loose and they can drain .....

To find the equation of the image of the circle x2 + y2 - 4x - 6y - 12 = 0 in the mirror line x = y, just interchange the coordinate x  and  y. i.e;  y2 + x2 - 4y - 6x - 12 = 0   x2 + y2 - 6x - 4y - 12 = .....

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Can you check question once again .....

According to researchers, there is only one bird which can fly backward for any length of time. The name of that bird is hummingbird. It is shown below in the picture.  No any study or research have been done yet which  .....

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You may have heard about paddy. It is a kind of crop which requires high amount of water in soil (soil moisture) to grow. So, paddy only grow in clay soil because clay soil can hold water .....

b) the good apples to bad apples.   = good apples/bad apples   = 25 kg/ 5 kg   = 5/1   = 5 : .....

c) 200 kg to 50 kg.  = 200 kg/ 50 kg = 4/1 = 4 : .....

b) 50 paisa to Rs. 5.  = 50 paisa/Rs. 5 = 50 paisa/5 x 100 paisa [ Re. 1 = 100 paisa] = 50 paisa/500 paisa = 1/10 = 1 : .....

 3/6 = 6/? = ?/20 = 12/? = ?/28 Let, a, b, c and d are required values, then  3/6 = 6/a = b/20 = 12/c = d/28 from first two ratios   3/6 = 6/a   or, a = (6 x 6)/3   or, a =  12. from first and third .....