Students and Teachers Forum
First we draw a rough sketch of quadrilateral ABCD and write down its dimensions, as shown. We may divide it into two triangles, namely ∆ABC and ∆ACD. Rough Sketch:
Steps of Construction:
Step .....
Every substance have two properties. Physical and chemical. Taste, color are examples of physical properties. water is liquid, colourless, odourless, substance. It is physical properties. But, water contains two hydrogen and one oxygen. It is .....
Being human we are granted with human rights. Human rights are the by birth rights that every human gets after birth. The constitution of Nepal has made the provision of 31 fundamental rights. I am now a class six student. I am a child. As a .....
We use here the concept of transformation of trigonometric formulae. We change Sum or difference to the .....
Those organizations formed for the welfare of the people are called social organizations. Social organizations play a very important role to solve social problems. There are many social organizations working to solve social problems in my .....
Overstaffing is a situation in which a company hires more employees than it can afford to keep. In other words, it is the provision of an excessive number of staff for in an organization or a company. Overstaffing may occur, for example, if a .....
Social evils are the issues that affect the development of our society. Social evils are unspiritual social practices which affect the pace of development of our society. There exist different social evils in our society: They are listed .....
North America lies in a wide belt of temperate region. It also includes the Tropical and Tundra climate in the south and north respectively. The northernmost part of the continent is extremely cold throughout the year. The western coast of Canada .....
The seven colors of the spectrum symbol is ROYGBIV,which means red, orange, yellow, green, blue, indigo and .....
Auditing may be defined as the managerial process carried out annually by the respective personnel to determine the financial well being of an organization. Some of the importance of auditing are: it determines the financial health of the .....
Lime is basic in nature that reacts with acidic soil and the acidity of the soil is reduced. So, soil is treated with lime time to time to reduce the acidity of the soil. Soil acidification is caused by a number of factors including acidic .....
Absolute zero is defined as the point where no more heat can be removed from a system, according to the absolute or thermodynamic temperature scale. This corresponds to 0 K or -273.15°C. This is 0 on the Rankine scale and -459.67°F. Most .....
The songs that are composed in the locally spoken language are called folk songs. Folk songs are composed using traditional local tunes. Folk songs speak our culture, tradition, social norms and values. People in my society sung different folk .....
For industrial production of nitrogen gas, fractional distillation is used. We know, air contains mainly nitrogen and oxygen. Among these two, oxygen liquifies at - 183 degrees of centegrades, whereas nitrogen liquified at - 196 degrees of .....
Foreign employment may be defined as the situation in which the youths under the various circumstances migrate to the foreign land for the proper job opportunity. While going for the foreign employment we may give a due consideration to the .....
Here, Order of matrix A = x ⨉ (x + 5) and order of matrix B = y ⨉ (11 - y) If AB exists then, (x + 5) = y..........(i) If BA exists then, 11-y = x ...............(ii) Solve the equations (i) and .....
Where PQRS is a glass .....
Electricity is a source of energy. It is quite essential to human activities. It helps to carry out our daily work. It helps to run factories and industries. It reduces greenhouse .....
a) Chemical energy into light energy b) Chemical energy into light and heat energy c) Heat energy into mechanical energy into electrical energy d)Kinetic energy into electrical .....
Gas undergoes maximum expansion. Molecules within gases are further apart than that of solid and liquid and weakly attracted to each other. Heat causes the molecules to move faster, which means that the volume of a gas increases more than .....
Sound wave is produced due to vibration of .....
The sources of sound are: Fig: Drum Fig: Guitar Fig: Radio Fig: Bird Fig: .....
Here, We have given Acceleration (a) = 5 m/s2 Time (t) = 10 sec Initial Velocity (u)= 0 m/s Final velocity (v) = ? By using formula, v = u + at = 0 +5m/s2 ⨯ 10s .....
The medulla oblongata, also called the myelencephalon, is the lowest part of the brainstem. The medulla oblongata looks like a swelling at the tip of the spinal cord. It is located in hind brain and is anterior to cerebellum. It is continuous .....
Here, Velocity of motor = v = 20m/s Time = t = 1 hr = 1 ⨯ 60 ⨯ 60 s = 3600s. Distance travelled by motor = d = ? We know, v = d/t or, d = v ⨯ t = 20 ⨯ 3600m .....
Here, Velocity of motor = v =36kmph Time = t = 10 minutes = 10/60 hr = 1/6 hr. Distance travelled by motor = d = ? We know, v = d/t or, d = v ⨯ t = 36 ⨯ 1/6 .....
The condition for free fall is: the body should fall freely under the effect of gravity only without external resistance, i.e the absence of air .....
The total area of Bhaktapur is 119 .....
Here, Total number of possible outcomes = n(S) = 62 = 36. Outcomes with the sum 5 or 7 are (2,3)(3,2),(4,1)(1,4)(1,6),(6,1),(2,5)(5,2)(3,4)(4,3). No.of Outcomes with the sum 5 or 7 = n(5 or 7) = 10 Probablity = 10/36 = .....
I provide a reule of simplification. Please read carefully it and try yourself. Easy and simple way to remember BODMAS rule!! B → Brackets first (parentheses) O → Of (orders i.e. Powers and Square Roots, Cube Roots, .....
Here, We have 23x - 2 = 32x - 1 We can not solve this because bases of exponents are different in opposite sides. So the question is .....
Some of the differences between the latitude and longitude are: Longitude Latitude It runs North-South It runs East-West. Longitude identifies the distance of a point, east-west of the Prime Meridian. Latitude .....
The longest Highway in order: 1. Postal Highway - 1792 km. 2. Mid-hill Highway - 1776 km. 3. Mahendra .....
Theki is one of the local technologies use in Nepal. Theki is locally made by people from wood. It is usually used to store milk fat (Taar), make .....
Mahendra Highway is the is the east-west highway of Nepal. It runs across the Terai geographical region of Nepal. The total length of the Highway is 1027 .....
1. Here, Square of 7 = 72 = 7 ⨯ 7 = 49. Thus square of 7 = 49. 2. Here, Square root of 16 = √16 = √( 4 ⨯ 4) = √42 = 4. Thus, the square root of 16 is .....
Let point on x-axis be A(x,0) & the locus of the point be P(x,y). .....
Here, we have given, Area of circle (A) = 9cm2 Let, radius of circle be r. We know, Area of circle = πr2 or, 9 = 3.14 x r2 [ π = 3.14] or, r2 = 9/3.14 or, r2 = .....
Let, the required number of years be x years. Then after x years, the ages of the brothers becomes, (x + 15) years and (x + 22) years. According to the question, (x + 15) (x + 22) = 408 or, x2 + 37x + 330 = 408 or, .....
As we know energy, in physics, the capacity for doing work. It means, to do the work energy is needed. It also implies that ' from the fixed amount of energy, certain amount of work can be done. i.e; to do more work, we need more energy .....
Here, Length of spanner = L = 25cm = 25/100 = 1/4 m Moment = 8Nm Force = F = ? We know that, Moment = F.L or, 8 Nm = F . 1/4 m or, F = 32N Which is your .....
Hydrophytes are those plant which grows only in or on .....
Here, given Load (L) = 4000N Effort (E) = 2000N Height of the inclined plane (h) = 1.5 m Length of the slope (l) = 4m Efficiency = ? By using formula, Efficiency = Length of the slope ×Effort Height of the inclined plane .....