Students and Teachers Forum
Space shuttle, also called Space Transportation System, partially reusable rocket-launched vehicle designed to go into orbit around Earth , to transport people and cargo to and from orbiting spacecraft, and to glide to a runway landing on its .....
Solution : Sin 35 + Sin 55 = 2 sin (35 +55) / 2 . Cos (35-55) / 2 = 2 Sin 45 . Cos 10 = 2 . 1/√2 . Cos 10 = √2 Sin (90 - 10) = √2 Cos .....
In Nepal, different traditional traditional system of measurement like mana, pathi, etc were used. These system of measurement are only applicable for certain boundary. They are not systematic and scientific system of measurement. Hence, SI .....
The smallest two-digit number is 10 and greatest two-digit number is 99. .....
Hexadecimal can be used to write large binary numbers in just a few digits. It makes life easier as it allows grouping of binary numbers which makes it easier to read, write and .....
Solution : Rate % = 3/25*100 = 12% CA = Rs.6272 Time T = 2 years Sum P = ? then , CA = P ( 1+R/100)T or, 6272 = P (1+12/100)2 or, 6272 = P * 1.2544 or, P = 6272 / 1.12544 = Rs.5,000 The sum of money is .....
स्याबास .....
When electric current is passed through water , it decomposes to give hydrogen gas and oxygen gas. ELECTRICITY 2H₂O(I) ---------------------------- .....
Any kind of activities that may lead society to a disastrous end may be interpreted as social problems and evils. They are practices that obstruct social development, destroys social harmony and result in confrontation. Some of the ways by which .....
We know that Nepal was divided into seven different provinces with promulgation og the Constitution on Nepal 2072 BS. The purpose of dividing Nepal into provinces is to carry out all-round development of various provinces. However, Nepal is not .....
National heritages are sites of valuable cultural, natural, religious, architectural, or historical significances. They are handed over to the present by their ancestors. These plays significant role in the development of the development of the .....
Formula to calculate efficiency of inclined plane = MA/VR * 100% where, MA = mechanical advantage and, VR = velocity .....
Mechanical advantage MA = load/ .....
Amount of work done on a machine by a given effort (force) is called input of a machine. Amount of work done by a machine on the load (weight) is called output of the machine. .....
Fungal diseases are often caused by fungi that are common in the environment. Most fungi are not dangerous, but some types can be harmful to health. Mild fungal skin diseases can look like a rash and are very common. Fungal diseases in the lungs are .....
Some examples of uses of pulley are : weight-lifting exercise machines make use of pulleys Elevators work via a powerful electronic pulley system. Many types of exercise equipment use pulleys in order to .....
Single Fixed Pulley: It is fixed on a rigid support Its mechanical advantage is 1 His gear ratio is 1 It is used to change the direction of effort Single Movable .....
Pulley is a flat circular disc having a groove along its edges and capable of rotating about a fixed point.
There are mainly two types:
Single fixed pulley: It is the type of pulley in which the load is raised directly upward. Load is .....
Efficiency =MA/VR .....
The legislature is an elected body choosen by the people of the nation in an election. It is one of the important organs of a nation including the judiciary and the executive. Some of the important functions of a legislature are: to debate over .....
Scientists think that about 100 million comets orbit the Sun. A comet has a distinct center called a nucleus. Most astronomers think the nucleus is made of frozen water and gases mixed with dust and rocky material. Comet nuclei are .....
Dwarf planet means a celestial body resembling a small planet but lacking some criteria which make it away from planets. Dwarf planet refers to those celestial object that is neither a planet or natural satellite. To become a planet a celestial .....
Bakelite Bakelite is a synthetic plastic. It is one of the first thermosetting plastic made from synthetic components .Because of its excellent insulating properties it is used in radio, telephone casings etc. It is also used in other products like .....
Cooking is fast in pressure cooker just because the trapped steam increases the atmospheric pressure inside the cooker. At that pressure, boiling point of water is increased and this higher temperature cooks food .....
Free fall is caused by the gravitational acceleration or potential around an object, and most objects are under a gravitational .....
Ammonia is a colorless gas with a pungent odor that has a number of occupational uses, such as a refrigerant; cleaning and bleaching agent; or additive in fertilizers, plastics and pharmaceuticals. Although exposure in typical environmental .....
A salt consisting of an ammonium cation and any anion is called ammonium rich salt. Typical Ammonium Salts: Ammonium .....
Air is the mixture of gases that makes up the Earth's atmosphere. This gas is primarily nitrogen (78%), oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and other .....
Solution, given, Cp = Rs 70 Profit = Rs 6 SP = cp + profit = 76 let, MP be x Now, SP = MP - dis% of MP or, 76 = x - 5% * x or, 76 = 0.95x or, x = Rs 80 Therefor, mp is Rs .....
16a²+24ab+9b2 = (4a)2 + 2 (4a) (3b) + (3b)2 = (4a + 3b )2 = (4a+3b) .....
The term equal treatment means that each individual is given access to similar kind of resources for their development. When we treat everyone equally, it will create sense of belongingness and togetherness between them. It will help to create an .....
Our early human ancestors looked like a cross between apes and modern humans. They even had lots of stone tools with sharp edges. It was a very stressful life because they were in continual competition with carnivores for their food. They .....
Solution : VAT % = 13% SP = Rs.3000 SP with VAT = SP + VAT amount = 3000 + 13% of 3000 = 3000 + 13/100 *3000 = 3000 + 390 = .....
Animal inhale oxygen during .....
Human society is classified in terms of the following bases: - On the basis of economy. - On the basis of language. - On the basis of settlement. - On the basis of religion. - On the basis of .....
Common hydraulic fluids are based on mineral oil or .....
Hydraulic machines are the machines which is based on the principle of Pascal's .....
The skeleton supports the skin, muscle and tissue, and all the organs that are inside the body. The skeleton protects important internal organs like the brain, heart and lungs. .....
The skeleton supports the skin, muscle and tissue, and all the organs that are inside the body. The skeleton protects important internal organs like the brain, heart and lungs. .....
Solution : Supplementary angle = 180o Silze of angle = 2/3 rd of 180 = 2/3 * 180 = .....
Solution : Supplementary angle = 180o Silze of angle = 2/3 rd of 180 = 2/3 * 180 = .....
Government of Nepal cannot make 77 districts as 77 provinces for the following reasons: the cost for running administration would be very high and a poor nation like Nepal cannot afford it there will be uneven distribution of human resource as .....
United Nations has played many major roles since Nepal gained access to UN on 14th Dec. 1955. Some of the roles played by UNO in Nepal are: Almost 25% of foreign aid to Nepal comes through UNO UNO helped in peaceful settlement of Maoist's .....